
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 4.1, Problem 1E
CONCEPT PREVIEW Fill in the blank(s) to correctly complete each sentence.
The amplitude of the graphs of the sine and cosine
Expert Solution & Answer

Learn your wayIncludes step-by-step video

schedule02:37
Students have asked these similar questions
5) Solve the triangle.
2
95°
4
B
с
A) c=3.63, A=59.5°, B = 25.5°
C) c = 4.63, A = 59.5°, B = 25.5°
A
B) c 4.63, A 25.5°, B = 59.5°
=
=
D) c 5.63, A = 25.5°, B = 59.5°
Find zw. Leave your answer in polar form.
= လ
3π
2
z = 6 cos
6 cos 37
3π
+ i sin
2
57
W = 12 cos
+ i sin
6
6
༠།ལྦ་
10
Write the expression (1 – i)
i)in the standard form a + bi.
Chapter 4 Solutions
Trigonometry (11th Edition)
Ch. 4.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.1 -
CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.1 -
5. The least positive number x for which cos x =...Ch. 4.1 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.1 - Concept Check Match each function with its graph...Ch. 4.1 - Concept Check Match each function with its graph...Ch. 4.1 -
Concept Check Match each function with its graph...Ch. 4.1 - Concept Check Match each function with its graph...
Ch. 4.1 - Concept Check Match each function with its graph...Ch. 4.1 - Concept Check Match each function with its graph...Ch. 4.1 -
Graph each function over the interval [ –2π, 2π]....Ch. 4.1 - Graph each function over the interval [ 2, 2]....Ch. 4.1 - Graph each function over the interval [2, 2]. Give...Ch. 4.1 -
Graph each function over the interval [–2π, 2π]....Ch. 4.1 - Graph each function over the interval [2,2]. Give...Ch. 4.1 -
Graph each function over the interval [–2π,2π]....Ch. 4.1 -
Graph each function over the interval [–2 π,2π]....Ch. 4.1 - Graph each function over the interval [–2π,2π]....Ch. 4.1 - Graph each function over the interval [2,2 ]. Give...Ch. 4.1 - Prob. 22ECh. 4.1 - Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 -
Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 - Graph each function over a two-period interval....Ch. 4.1 - Connecting Graphs with Equations Determine an...Ch. 4.1 - Connecting Graphs with Equations Determine an...Ch. 4.1 - Connecting Graphs with Equations Determine an...Ch. 4.1 - Connecting Graphs with Equations Determine an...Ch. 4.1 - Connecting Graphs with Equations Determine an...Ch. 4.1 - Connecting Graphs with Equations Determine an...Ch. 4.1 - Average Annual Temperature Scientists believe that...Ch. 4.1 - Blood Pressure Variation The graph gives the...Ch. 4.1 - Prob. 49ECh. 4.1 - Prob. 50ECh. 4.1 - Prob. 51ECh. 4.1 - Prob. 52ECh. 4.1 - Prob. 53ECh. 4.1 - Activity of a Nocturnal Animal Many activities of...Ch. 4.1 -
55. Atmospheric Carbon Dioxide At Mauna Loa....Ch. 4.1 - Atmospheric Carbon Dioxide Refer to Exercise 55....Ch. 4.1 -
57. Average Daily Temperature The temperature in...Ch. 4.1 - 58. Fluctuation in the Solar Constant The solar...Ch. 4.1 -
Musical Sound Waves Pure sounds produce single...Ch. 4.1 - Musical Sound Waves Pure sounds produce single...Ch. 4.1 - Prob. 61ECh. 4.1 - Prob. 62ECh. 4.1 - Prob. 63ECh. 4.1 - Prob. 64ECh. 4.1 - Prob. 65ECh. 4.1 - Prob. 66ECh. 4.2 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.2 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.2 - CONCEPT PREVIEW Fill in the blanks to correctly...Ch. 4.2 - CONCEPT PREVIEW Fill in the blanks to correctly...Ch. 4.2 -
CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.2 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.2 -
CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.2 - CONCEPT PREVIEW Fill in the blanks to correctly...Ch. 4.2 - Concept Check Match each function with its graph...Ch. 4.2 - Concept Check Match each function with its graph...Ch. 4.2 - Concept Check Match each function w ith its graph...Ch. 4.2 - Concept Check Match each function w ith its graph...Ch. 4.2 - Concept Check Match each function with its graph...Ch. 4.2 - Concept Check Match each function with its graph...Ch. 4.2 - Concept Check Match each function with its graph...Ch. 4.2 - Concept Check Match each function with its graph...Ch. 4.2 - The graphs of y = sin x + 1 and y = sin(x + 1) are...Ch. 4.2 - Concept Check Refer to Exercise 17. Which one of...Ch. 4.2 -
Concept Check Match each function in Column I...Ch. 4.2 - Concept Check Match each function in Column I with...Ch. 4.2 -
Concept Check Match each function in Column I...Ch. 4.2 - Concept Check Match each function in Column I with...Ch. 4.2 - Concept Check Fill in each blank with the word...Ch. 4.2 - Prob. 24ECh. 4.2 - Connecting Graphs with equations Each function...Ch. 4.2 - Connecting Graphs with Equations Each function...Ch. 4.2 -
Connecting Graphs with Equations Each function...Ch. 4.2 - Prob. 28ECh. 4.2 -
Find the amplitude, the period, any vertical...Ch. 4.2 -
Find the amplitude, the period, any vertical...Ch. 4.2 -
Find the amplitude, the period, any vertical...Ch. 4.2 -
Find the amplitude, the period, any vertical...Ch. 4.2 - Find the amplitude, the period, any vertical...Ch. 4.2 -
Find the amplitude, the period, any vertical...Ch. 4.2 - Find the amplitude, the period, any vertical...Ch. 4.2 - Find the amplitude, the period, any vertical...Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a one-period interval....Ch. 4.2 -
Graph each function over a one-period interval....Ch. 4.2 - Graph each function over a one-period interval....Ch. 4.2 - Graph each function over a one-period interval....Ch. 4.2 - Graph each function over a one-period interval....Ch. 4.2 -
Graph each function over a one-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a two-period interval....Ch. 4.2 -
Graph each function over a two-period interval....Ch. 4.2 - Graph each function over a one-period interval....Ch. 4.2 -
Graph each function over a one-period interval....Ch. 4.2 - Prob. 60ECh. 4.2 - Average Monthly Temperature The average monthly...Ch. 4.2 - Prob. 62ECh. 4.2 - Prob. 63ECh. 4.2 - Prob. 64ECh. 4.2 - Prob. 65ECh. 4.2 - Prob. 66ECh. 4.2 - Prob. 1QCh. 4.2 - Graph each function over a two-period interval....Ch. 4.2 - Prob. 3QCh. 4.2 - Prob. 4QCh. 4.2 - Prob. 5QCh. 4.2 - Graph each function over a two-period interval....Ch. 4.2 - Prob. 7QCh. 4.2 - Prob. 8QCh. 4.2 - Prob. 9QCh. 4.2 - Prob. 10QCh. 4.2 - Prob. 11QCh. 4.2 - Prob. 12QCh. 4.3 - 1. The least positive value x for which tan x = 0...Ch. 4.3 - The least positive value x for which cot x = 0 is...Ch. 4.3 - Concept Check Fill in each blank with the word...Ch. 4.3 - Concept Check Fill in each blank with the word...Ch. 4.3 - The negative value k with the greatest value for...Ch. 4.3 - CONCEPT PREVIEW Fill in the blank(s) to correctly...Ch. 4.3 - Concept Check Match each function with its graph...Ch. 4.3 - Concept Check Match each function with its graph...Ch. 4.3 -
Concept Check Match each function with its...Ch. 4.3 - Concept Check Match each function with its graph...Ch. 4.3 - Concept CheckMatch each function with its graph...Ch. 4.3 - Concept Check Match each function with its graph...Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 -
Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 -
Graph each function over a one-period...Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a one-period interval....Ch. 4.3 -
Graph each function over a one-period interval....Ch. 4.3 - Graph each function over a two-period interval....Ch. 4.3 -
Graph each function over a two-period interval....Ch. 4.3 -
Graph each function over a two-period...Ch. 4.3 -
Graph each function over a two-period...Ch. 4.3 - Graph each function over a two-period interval....Ch. 4.3 - Graph each function over a two-period interval....Ch. 4.3 - Prob. 31ECh. 4.3 - Graph each function over a two-period interval....Ch. 4.3 - Graph each function over a two-period interval....Ch. 4.3 - Prob. 34ECh. 4.3 - Graph each function over a two-period interval....Ch. 4.3 - Prob. 36ECh. 4.3 - Graph each function over a two-period interval....Ch. 4.3 - Prob. 38ECh. 4.3 - Prob. 39ECh. 4.3 - Prob. 40ECh. 4.3 - Prob. 41ECh. 4.3 - Prob. 42ECh. 4.3 - Prob. 43ECh. 4.3 - Prob. 44ECh. 4.3 - Concept Check Decide whether each statement is...Ch. 4.3 - Concept CheckDecide whether each statement is true...Ch. 4.3 -
Concept Check Decide whether each statement is...Ch. 4.3 - Prob. 48ECh. 4.3 - Concept Check If c is any number, then how many...Ch. 4.3 - Prob. 50ECh. 4.3 - 51. Show that tan(–x) = –tan x by writing tan(–x)...Ch. 4.3 - 52. Show that cot (–x) = –cot x by writing cot...Ch. 4.3 - Prob. 53ECh. 4.3 - Prob. 54ECh. 4.3 - Prob. 55ECh. 4.3 - Prob. 56ECh. 4.3 - Prob. 57ECh. 4.3 - Prob. 58ECh. 4.3 - Prob. 59ECh. 4.3 - Prob. 60ECh. 4.3 - Prob. 61ECh. 4.3 - Prob. 62ECh. 4.4 - CONCEPT PREVIEW Match each description in Column I...Ch. 4.4 -
CONCEPT PREVIEW Match each description in...Ch. 4.4 -
CONCEPT PREVIEW Match each description in Column...Ch. 4.4 -
CONCEPT PREVIEW Match each description in Column...Ch. 4.4 -
CONCEPT PREVIEW Match each description in Column...Ch. 4.4 -
CONCEPT PREVIEW Match each description in Column...Ch. 4.4 - Concept Check Match each function with its graph...Ch. 4.4 - Concept Check Match each function with its graph...Ch. 4.4 - Concept Check Match each function with its graph...Ch. 4.4 - Concept Check Match each function with its graph...Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 -
Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Graph each function over a one-period interval....Ch. 4.4 - Connecting Graphs with EquationsDetermine an...Ch. 4.4 - Connecting Graphs with Equations Determine an...Ch. 4.4 - Connecting Graphs with Equations Determine an...Ch. 4.4 - Connecting Graphs with Equations Determine an...Ch. 4.4 - Connecting Graphs with Equations Determine an...Ch. 4.4 - Prob. 30ECh. 4.4 - Concept CheckDecide whether each statement is true...Ch. 4.4 - Concept Check Decide whether each statement is...Ch. 4.4 - Concept CheckDecide whether each statement is true...Ch. 4.4 - Prob. 34ECh. 4.4 - 35. Concept Check If c is any number such that -1...Ch. 4.4 - Prob. 36ECh. 4.4 - 37. Show that sec (–x) = sec x by writing sec (–x)...Ch. 4.4 - Prob. 38ECh. 4.4 - Prob. 39ECh. 4.4 - (Modeling) Distance of a Rotating Beacon The...Ch. 4.4 - Prob. 41ECh. 4.4 - Prob. 42ECh. 4.4 - Prob. 43ECh. 4.4 - Prob. 44ECh. 4.4 - Prob. 45ECh. 4.4 - Prob. 46ECh. 4.4 - Prob. 1SECh. 4.4 - Prob. 2SECh. 4.4 - These summary exercises provide practice with the...Ch. 4.4 - Prob. 4SECh. 4.4 - Prob. 5SECh. 4.4 - Prob. 6SECh. 4.4 - Prob. 7SECh. 4.4 -
Graph each function over a two-period...Ch. 4.4 - Prob. 9SECh. 4.4 - Graph each function over a two-period...Ch. 4.5 - CONCEPT PREVIEW Refer to the equations in the...Ch. 4.5 - Prob. 2ECh. 4.5 - CONCEPT PREVIEW Refer to the equations in the...Ch. 4.5 - Prob. 4ECh. 4.5 - Prob. 5ECh. 4.5 - Prob. 6ECh. 4.5 - Spring Motion An object is attached to a coiled...Ch. 4.5 - Spring Motion Repeat Exercise 7, but assume that...Ch. 4.5 - 9. Voltage of an Electrical Circuit The voltage E...Ch. 4.5 - Prob. 10ECh. 4.5 - Particle Movement Write the equation and then...Ch. 4.5 - Prob. 12ECh. 4.5 -
13. Pendulum Motion What are the period P and...Ch. 4.5 - Prob. 14ECh. 4.5 - Spring Motion The formula for the up and down...Ch. 4.5 - Spring Motion (See Exercise 15.) A spring with...Ch. 4.5 - Spring Motion The position of a weight attached to...Ch. 4.5 - Spring Motion The position of a weight attached to...Ch. 4.5 - Spring Motion A weight attached to a spring is...Ch. 4.5 -
20. Spring Motion A weight attached to a spring...Ch. 4.5 -
(Modeling) Springs A weight on a spring has...Ch. 4.5 - Prob. 22ECh. 4.5 -
(Modeling) Springs A weight on a spring has...Ch. 4.5 -
(Modeling) Springs A weight on a spring has...Ch. 4.5 - Prob. 25ECh. 4.5 - Prob. 26ECh. 4.5 - Prob. 27ECh. 4.5 - Prob. 28ECh. 4.5 -
(Modeling) Spring Motion Consider the spring in...Ch. 4.5 - Prob. 30ECh. 4.5 - Prob. 31ECh. 4.5 - (Modeling) Spring Motion Consider the spring in...Ch. 4.5 - Prob. 33ECh. 4.5 - Prob. 34ECh. 4 - Concept Check Which one of the following...Ch. 4 - Prob. 2RECh. 4 - Prob. 3RECh. 4 - Prob. 4RECh. 4 - Prob. 5RECh. 4 - Prob. 6RECh. 4 - Prob. 7RECh. 4 - Prob. 8RECh. 4 -
For each function, give the amplitude, period,...Ch. 4 - Prob. 10RECh. 4 - Prob. 11RECh. 4 - Prob. 12RECh. 4 - Prob. 13RECh. 4 -
For each function, give the amplitude, period,...Ch. 4 - Prob. 15RECh. 4 - Prob. 16RECh. 4 - Prob. 17RECh. 4 - Prob. 18RECh. 4 - Prob. 19RECh. 4 - Prob. 20RECh. 4 - Prob. 21RECh. 4 - Prob. 22RECh. 4 - Prob. 23RECh. 4 - Prob. 24RECh. 4 - Prob. 25RECh. 4 - Prob. 26RECh. 4 - Prob. 27RECh. 4 - Prob. 28RECh. 4 - Prob. 29RECh. 4 - Prob. 30RECh. 4 - Prob. 31RECh. 4 - Prob. 32RECh. 4 - Graph each function over a one-period...Ch. 4 -
Graph each function over a one-period...Ch. 4 -
Graph each function over a one-period...Ch. 4 - Prob. 36RECh. 4 -
Graph each function over a one-period...Ch. 4 - Prob. 38RECh. 4 - Prob. 39RECh. 4 - Prob. 40RECh. 4 - Prob. 41RECh. 4 - Prob. 42RECh. 4 - (Modeling) Monthly Temperatures A set of...Ch. 4 - Prob. 44RECh. 4 - Prob. 45RECh. 4 - Prob. 46RECh. 4 - Prob. 47RECh. 4 - Prob. 48RECh. 4 - Prob. 49RECh. 4 - Prob. 50RECh. 4 - Prob. 51RECh. 4 - Prob. 52RECh. 4 - Prob. 53RECh. 4 - Prob. 54RECh. 4 - Prob. 55RECh. 4 - Prob. 56RECh. 4 - Prob. 57RECh. 4 - Prob. 58RECh. 4 - Prob. 1TCh. 4 - Prob. 2TCh. 4 - Prob. 3TCh. 4 - Prob. 4TCh. 4 - Prob. 5TCh. 4 - Prob. 6TCh. 4 - Prob. 7TCh. 4 - Prob. 8TCh. 4 - Prob. 9TCh. 4 - Prob. 10TCh. 4 - Prob. 11TCh. 4 - Prob. 12TCh. 4 - Average Monthly Temperature The average monthly...Ch. 4 -
14. Spring Motion The position of a weight...Ch. 4 - Prob. 15T
Additional Math Textbook Solutions
Find more solutions based on key concepts
Using the Central Limit Theorem. In Exercises 5–8, assume that females have pulse rates that are normally distr...
Elementary Statistics (13th Edition)
Derivatives of inverse sine Evaluate the derivatives of the following functions. 7. f(x) = sin1 2x
Calculus: Early Transcendentals (2nd Edition)
In track, the second lane from the inside of the track is longer than the inside lane. Use this information to ...
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
The simplified expression for the given term
Pre-Algebra Student Edition
Identifying Type I and Type II Errors In Exercises 31–36, describe type I and type II errors for a hypothesis t...
Elementary Statistics: Picturing the World (7th Edition)
Find how many SDs above the mean price would be predicted to cost.
Intro Stats, Books a la Carte Edition (5th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, trigonometry and related others by exploring similar questions and additional content below.Similar questions
- 11) The letters r and 0 represent polar coordinates. Write the equation r sine = 10 using rectangular coordinates (x, y). A) x = 10y B) y = 10 C) x = 10 D) y = 10xarrow_forward18) Find all the complex cube roots of - 8i. Leave your answers in polar form with the argument in degrees.arrow_forwardWrite the complex number √3 - i in polar form.arrow_forward
- 2 10) The letters x and y represent rectangular coordinates. Write the equation x² + 4y = 4 using polar coordinates (r, e). A) 4 cos² 0 + sin² 0 = 4r C) r²(4 cos² 0 + sin² 0) = 4 B) cos² 0 + 4 sin² 0 = 4r D) r² (cos20 + 4 sin² 0) = 4arrow_forward2) A radio transmission tower is 130 feet tall. How long should a guy wire be if it is to be attached 6 feet from the top and is to make an angle of 20° with the ground? Give your answer to the nearest tenth of a foot.arrow_forward4) Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results. b=6, c=7, B = 80° A) one triangle B=40°, A = 60°, a = 13 C) one triangle C 39°, A 61°, a = 15 = B) one triangle C=41°, A = 59°, a = 17 D) no trianglearrow_forward
- 7) A painter needs to cover a triangular region 63 meters by 67 meters by 74 meters. A can of paint covers 70 square meters. How many cans will be needed?arrow_forward12) Match the graph to one of the equations. 71 5+ 4+ 2. 32 ←IIIIIII -8 -7 -6 -5 -4-3-2-11 1 2 3 4 5 6 7 8 r -2+ -3+ -4+ -5+ -6+ -7⋅ A) r=3+4 sin 0 B) r 4+3 cos C) r=4+3 sin 0 D) r=3+4 cos 0arrow_forwardᏃ Find ✓. Leave your answer in polar form. 7π 7π Z = 3 cos + i sin 4 4 9π 9π w W = 6 cos + i sin 4 4arrow_forward
- Write the complex number in rectangular form. 11π 117 COS + i sin 6 6arrow_forward8) The polar coordinates of a point are given. Find the rectangular coordinates of the point. (-7, 3157) 2πarrow_forward3) Solve the triangle. 7 20° B с 110° A) C 55°, a = 19.23, c = 15.68 B) C = C) C=45°, a 15.68, c = 19.23 D) C 50°, a 19.23, c = 15.68 = 50%, a= 15.68, c = 19.23arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageTrigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage LearningTrigonometry (MindTap Course List)TrigonometryISBN:9781305652224Author:Charles P. McKeague, Mark D. TurnerPublisher:Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage

Trigonometry (MindTap Course List)
Trigonometry
ISBN:9781337278461
Author:Ron Larson
Publisher:Cengage Learning

Trigonometry (MindTap Course List)
Trigonometry
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Cengage Learning
Fundamental Trigonometric Identities: Reciprocal, Quotient, and Pythagorean Identities; Author: Mathispower4u;https://www.youtube.com/watch?v=OmJ5fxyXrfg;License: Standard YouTube License, CC-BY