
College Algebra (MindTap Course List)
12th Edition
ISBN: 9781305652231
Author: R. David Gustafson, Jeff Hughes
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 7.4, Problem 50E
To determine
To Find:
The distance between the base of the hill and the point of impact at the ground
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
e).
n!
(n - 1)!
Suppose you flip a fair two-sided coin four times and record the result.
a). List the sample space of this experiment. That is, list all possible outcomes that could
occur when flipping a fair two-sided coin four total times. Assume the two sides of the coin are
Heads (H) and Tails (T).
e).
n!
(n - 1)!
Chapter 7 Solutions
College Algebra (MindTap Course List)
Ch. 7.1 - Prob. 1SCCh. 7.1 - Prob. 2SCCh. 7.1 - Prob. 3SCCh. 7.1 - Prob. 4SCCh. 7.1 - Prob. 5SCCh. 7.1 - Prob. 6SCCh. 7.1 - Find the vertex and yintercepts of the parabola...Ch. 7.1 - Prob. 8SCCh. 7.1 - Prob. 9SCCh. 7.1 - Prob. 1E
Ch. 7.1 - Prob. 2ECh. 7.1 - Prob. 3ECh. 7.1 - Prob. 4ECh. 7.1 - Prob. 5ECh. 7.1 - Determine whether the graph of the parabola opens...Ch. 7.1 - Prob. 7ECh. 7.1 - Determine whether the graph of the parabola opens...Ch. 7.1 - Fill in the blanks. A parabola is the set of all...Ch. 7.1 - Prob. 10ECh. 7.1 - Prob. 11ECh. 7.1 - Prob. 12ECh. 7.1 - Prob. 13ECh. 7.1 - Prob. 14ECh. 7.1 - Prob. 15ECh. 7.1 - Prob. 16ECh. 7.1 - Prob. 17ECh. 7.1 - Prob. 18ECh. 7.1 - Prob. 19ECh. 7.1 - Prob. 20ECh. 7.1 - Prob. 21ECh. 7.1 - Prob. 22ECh. 7.1 - Prob. 23ECh. 7.1 - Prob. 24ECh. 7.1 - Prob. 25ECh. 7.1 - Prob. 26ECh. 7.1 - Prob. 27ECh. 7.1 - Prob. 28ECh. 7.1 - Prob. 29ECh. 7.1 - Prob. 30ECh. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Find an equation in standard form of each parabola...Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Write each parabola in standard form and graph it....Ch. 7.1 - Prob. 62ECh. 7.1 - Prob. 63ECh. 7.1 - Prob. 64ECh. 7.1 - Prob. 65ECh. 7.1 - Prob. 66ECh. 7.1 - Prob. 67ECh. 7.1 - Ripples in a pond When a stone is thrown into the...Ch. 7.1 - Prob. 69ECh. 7.1 - Prob. 70ECh. 7.1 - Meshing gear For design purpose, the large gear is...Ch. 7.1 - Prob. 72ECh. 7.1 - Prob. 73ECh. 7.1 - Searchlight reflectors A parabolic mirror reflect...Ch. 7.1 - Writing equation of the parabolas Derive the...Ch. 7.1 - Projectiles The cannonball in the illustration...Ch. 7.1 - Satellite antennas The cross section of the...Ch. 7.1 - Design of a satellite antenna The cross section of...Ch. 7.1 - Prob. 79ECh. 7.1 - Operating a resort A resort owner plans to build...Ch. 7.1 - Design of a parabolic reflector Find the outer...Ch. 7.1 - Design of a suspension bridge The cable between...Ch. 7.1 - Gateway Arch The gateway Arch in St.Louis has a...Ch. 7.1 - Building tunnels A construction firm plans to...Ch. 7.1 - Prob. 85ECh. 7.1 - Prob. 86ECh. 7.1 - Prob. 87ECh. 7.1 - Prob. 88ECh. 7.1 - Prob. 89ECh. 7.1 - Prob. 90ECh. 7.1 - Prob. 91ECh. 7.1 - Prob. 92ECh. 7.1 - Prob. 93ECh. 7.1 - Prob. 94ECh. 7.1 - Prob. 95ECh. 7.1 - Prob. 96ECh. 7.1 - Prob. 97ECh. 7.1 - In Exercises 95-98, match the equation of the...Ch. 7.1 - Prob. 99ECh. 7.1 - Prob. 100ECh. 7.1 - Prob. 101ECh. 7.1 - Prob. 102ECh. 7.2 - Self Check Find an equation in the standard form...Ch. 7.2 - Prob. 2SCCh. 7.2 - Prob. 3SCCh. 7.2 - Prob. 4SCCh. 7.2 - Prob. 5SCCh. 7.2 - Prob. 6SCCh. 7.2 - Prob. 7SCCh. 7.2 - Prob. 1ECh. 7.2 - Prob. 2ECh. 7.2 - Prob. 3ECh. 7.2 - Prob. 4ECh. 7.2 - Prob. 5ECh. 7.2 - Prob. 6ECh. 7.2 - Prob. 7ECh. 7.2 - Prob. 8ECh. 7.2 - Prob. 9ECh. 7.2 - Prob. 10ECh. 7.2 - Prob. 11ECh. 7.2 - Prob. 12ECh. 7.2 - Prob. 13ECh. 7.2 - Prob. 14ECh. 7.2 - Prob. 15ECh. 7.2 - Prob. 16ECh. 7.2 - Prob. 17ECh. 7.2 - Prob. 18ECh. 7.2 - Prob. 19ECh. 7.2 - Prob. 20ECh. 7.2 - Prob. 21ECh. 7.2 - Prob. 22ECh. 7.2 - Prob. 23ECh. 7.2 - Prob. 24ECh. 7.2 - Prob. 25ECh. 7.2 - Prob. 26ECh. 7.2 - Prob. 27ECh. 7.2 - Prob. 28ECh. 7.2 - Prob. 29ECh. 7.2 - Prob. 30ECh. 7.2 - Prob. 31ECh. 7.2 - Prob. 32ECh. 7.2 - Graph each ellipse. x225+y29=1Ch. 7.2 - Graph each ellipse. x236+y225=1Ch. 7.2 - Graph each ellipse. x225+y249=1Ch. 7.2 - Graph each ellipse. 4x2+y2=4Ch. 7.2 - Graph each ellipse. x216+(y+2)236=1Ch. 7.2 - Graph each ellipse. (x1)2+4y225=4Ch. 7.2 - Graph each ellipse. (x4)249+(y2)29=1Ch. 7.2 - Graph each ellipse. (x1)225+y24=1Ch. 7.2 - Write each ellipse in standard form. 4x2+y22y=15Ch. 7.2 - Prob. 42ECh. 7.2 - Write each ellipse in standard form....Ch. 7.2 - Prob. 44ECh. 7.2 - Graph each ellipse. x2+4y24x+8y+4=0Ch. 7.2 - Prob. 46ECh. 7.2 - Prob. 47ECh. 7.2 - Prob. 48ECh. 7.2 - Prob. 49ECh. 7.2 - Prob. 50ECh. 7.2 - Pool tables Find an equation in standard form of...Ch. 7.2 - Prob. 52ECh. 7.2 - Prob. 53ECh. 7.2 - Prob. 54ECh. 7.2 - Prob. 55ECh. 7.2 - Prob. 56ECh. 7.2 - Prob. 57ECh. 7.2 - Prob. 58ECh. 7.2 - Prob. 59ECh. 7.2 - Prob. 60ECh. 7.2 - Prob. 61ECh. 7.2 - Prob. 62ECh. 7.2 - Discovery and Writing If F is a focus of the...Ch. 7.2 - Finding the focal width In the ellipse shown,...Ch. 7.2 - Prove that segment FV in Example 7 is the shortest...Ch. 7.2 - Prob. 66ECh. 7.2 - The distance between point P(x,y) and the point...Ch. 7.2 - Prob. 68ECh. 7.2 - Prob. 69ECh. 7.2 - Prob. 70ECh. 7.2 - Prob. 71ECh. 7.2 - Prob. 72ECh. 7.2 - Prob. 73ECh. 7.2 - Prob. 74ECh. 7.2 - Prob. 75ECh. 7.2 - Prob. 76ECh. 7.2 - Prob. 77ECh. 7.2 - Prob. 78ECh. 7.3 - Write an equation in standard form of the...Ch. 7.3 - Prob. 2SCCh. 7.3 - Prob. 3SCCh. 7.3 - Prob. 4SCCh. 7.3 - Prob. 1ECh. 7.3 - Prob. 2ECh. 7.3 - Prob. 3ECh. 7.3 - Prob. 4ECh. 7.3 - Prob. 5ECh. 7.3 - Prob. 6ECh. 7.3 - Prob. 7ECh. 7.3 - Prob. 8ECh. 7.3 - Prob. 9ECh. 7.3 - Prob. 10ECh. 7.3 - Prob. 11ECh. 7.3 - Prob. 12ECh. 7.3 - Prob. 13ECh. 7.3 - Prob. 14ECh. 7.3 - Prob. 15ECh. 7.3 - Prob. 16ECh. 7.3 - Prob. 17ECh. 7.3 - Prob. 18ECh. 7.3 - Prob. 19ECh. 7.3 - Prob. 20ECh. 7.3 - Prob. 21ECh. 7.3 - Prob. 22ECh. 7.3 - Prob. 23ECh. 7.3 - Prob. 24ECh. 7.3 - Prob. 25ECh. 7.3 - Prob. 26ECh. 7.3 - Prob. 27ECh. 7.3 - Prob. 28ECh. 7.3 - Prob. 29ECh. 7.3 - Prob. 30ECh. 7.3 - Prob. 31ECh. 7.3 - Prob. 32ECh. 7.3 - Write an equation in standard form of each...Ch. 7.3 - Prob. 34ECh. 7.3 - Graph each hyperbola. x29y24=1Ch. 7.3 - Prob. 36ECh. 7.3 - Graph each hyperbola. 4x23y2=36Ch. 7.3 - Graph each hyperbola. 3x24y2=36Ch. 7.3 - Graph each hyperbola. y2x2=1Ch. 7.3 - Graph each hyperbola. x2y24=1Ch. 7.3 - Graph each hyperbola. (x+2)92y24=1Ch. 7.3 - Graph each hyperbola. y29(x2)236=1Ch. 7.3 - Graph each hyperbola. 4(y2)29(x+1)2=36Ch. 7.3 - Prob. 44ECh. 7.3 - Prob. 45ECh. 7.3 - Prob. 46ECh. 7.3 - Prob. 47ECh. 7.3 - Prob. 48ECh. 7.3 - Prob. 49ECh. 7.3 - Prob. 50ECh. 7.3 - Prob. 51ECh. 7.3 - Prob. 52ECh. 7.3 - Prob. 53ECh. 7.3 - Prob. 54ECh. 7.3 - Prob. 55ECh. 7.3 - Prob. 56ECh. 7.3 - Prob. 57ECh. 7.3 - Astronomy Some comets have a hyperbolic orbit,...Ch. 7.3 - Prob. 59ECh. 7.3 - Prob. 60ECh. 7.3 - Navigation The LORAN LOng RAnge Navigation system...Ch. 7.3 - Prob. 62ECh. 7.3 - Prob. 63ECh. 7.3 - Sonic boom The position of a sonic boom caused by...Ch. 7.3 - Discovery and Writing Describe a hyperbola.Ch. 7.3 - Prob. 66ECh. 7.3 - Prob. 67ECh. 7.3 - Prob. 68ECh. 7.3 - Prob. 69ECh. 7.3 - Prob. 70ECh. 7.3 - Prob. 71ECh. 7.3 - Prob. 72ECh. 7.3 - Prob. 73ECh. 7.3 - Prob. 74ECh. 7.3 - Prob. 75ECh. 7.3 - Prob. 76ECh. 7.3 - Prob. 77ECh. 7.3 - Prob. 78ECh. 7.3 - Prob. 79ECh. 7.3 - Prob. 80ECh. 7.4 - Prob. 1SCCh. 7.4 - Prob. 2SCCh. 7.4 - Prob. 3SCCh. 7.4 - Prob. 4SCCh. 7.4 - Prob. 5SCCh. 7.4 - Prob. 1ECh. 7.4 - Prob. 2ECh. 7.4 - Prob. 3ECh. 7.4 - Prob. 4ECh. 7.4 - Prob. 5ECh. 7.4 - Prob. 6ECh. 7.4 - Prob. 7ECh. 7.4 - Prob. 8ECh. 7.4 - Prob. 9ECh. 7.4 - Prob. 10ECh. 7.4 - Prob. 11ECh. 7.4 - Prob. 12ECh. 7.4 - Prob. 13ECh. 7.4 - Prob. 14ECh. 7.4 - Prob. 15ECh. 7.4 - Prob. 16ECh. 7.4 - Prob. 17ECh. 7.4 - Prob. 18ECh. 7.4 - Prob. 19ECh. 7.4 - Prob. 20ECh. 7.4 - Prob. 21ECh. 7.4 - Prob. 22ECh. 7.4 - Prob. 23ECh. 7.4 - Prob. 24ECh. 7.4 - Prob. 25ECh. 7.4 - Prob. 26ECh. 7.4 - Prob. 27ECh. 7.4 - Prob. 28ECh. 7.4 - Prob. 29ECh. 7.4 - Prob. 30ECh. 7.4 - Prob. 31ECh. 7.4 - Prob. 32ECh. 7.4 - Prob. 33ECh. 7.4 - Prob. 34ECh. 7.4 - Prob. 35ECh. 7.4 - Prob. 36ECh. 7.4 - Prob. 37ECh. 7.4 - Prob. 38ECh. 7.4 - Prob. 39ECh. 7.4 - Prob. 40ECh. 7.4 - Prob. 41ECh. 7.4 - Prob. 42ECh. 7.4 - Prob. 43ECh. 7.4 - Prob. 44ECh. 7.4 - Prob. 45ECh. 7.4 - Prob. 46ECh. 7.4 - Prob. 47ECh. 7.4 - Prob. 48ECh. 7.4 - Prob. 49ECh. 7.4 - Prob. 50ECh. 7.4 - Prob. 51ECh. 7.4 - Prob. 52ECh. 7.4 - Prob. 53ECh. 7.4 - Prob. 54ECh. 7.4 - Prob. 55ECh. 7.4 - Prob. 56ECh. 7.4 - Prob. 57ECh. 7.4 - Prob. 58ECh. 7.4 - Prob. 59ECh. 7.4 - Prob. 60ECh. 7.4 - Prob. 61ECh. 7.4 - Prob. 62ECh. 7.4 - Prob. 63ECh. 7.4 - Determine if the statement is true or false. If...Ch. 7.4 - Prob. 65ECh. 7.4 - Prob. 66ECh. 7.CR - Prob. 1ECh. 7.CR - Prob. 2ECh. 7.CR - Prob. 3ECh. 7.CR - Prob. 4ECh. 7.CR - Prob. 5ECh. 7.CR - Prob. 6ECh. 7.CR - Prob. 7ECh. 7.CR - Prob. 8ECh. 7.CR - Prob. 9ECh. 7.CR - Prob. 10ECh. 7.CR - Prob. 11ECh. 7.CR - Prob. 12ECh. 7.CR - Prob. 13ECh. 7.CR - Prob. 14ECh. 7.CR - Prob. 15ECh. 7.CR - Prob. 16ECh. 7.CR - Prob. 17ECh. 7.CR - Prob. 18ECh. 7.CR - Prob. 19ECh. 7.CR - Prob. 20ECh. 7.CR - Prob. 21ECh. 7.CR - Prob. 22ECh. 7.CR - Prob. 23ECh. 7.CR - Prob. 24ECh. 7.CR - Prob. 25ECh. 7.CR - Prob. 26ECh. 7.CR - Prob. 27ECh. 7.CR - Prob. 28ECh. 7.CR - Prob. 29ECh. 7.CR - Prob. 30ECh. 7.CT - Prob. 1CTCh. 7.CT - Prob. 2CTCh. 7.CT - Prob. 3CTCh. 7.CT - Prob. 4CTCh. 7.CT - Prob. 5CTCh. 7.CT - Prob. 6CTCh. 7.CT - Prob. 7CTCh. 7.CT - Prob. 8CTCh. 7.CT - Prob. 9CTCh. 7.CT - Prob. 10CTCh. 7.CT - Prob. 11CTCh. 7.CT - Prob. 12CTCh. 7.CT - Prob. 13CTCh. 7.CT - Prob. 14CTCh. 7.CT - Prob. 15CTCh. 7.CT - Prob. 16CTCh. 7.CT - Solve each system using substitution and...Ch. 7.CT - Prob. 18CTCh. 7.CT - Prob. 19CTCh. 7.CT - Prob. 20CTCh. 7.CM - Prob. 1CMCh. 7.CM - Prob. 2CMCh. 7.CM - Prob. 3CMCh. 7.CM - Prob. 4CMCh. 7.CM - Simplify each expression Assume that all variables...Ch. 7.CM - Prob. 6CMCh. 7.CM - Prob. 7CMCh. 7.CM - Prob. 8CMCh. 7.CM - Prob. 9CMCh. 7.CM - Prob. 10CMCh. 7.CM - Prob. 11CMCh. 7.CM - Prob. 12CMCh. 7.CM - Prob. 13CMCh. 7.CM - Prob. 14CMCh. 7.CM - Prob. 15CMCh. 7.CM - Prob. 16CMCh. 7.CM - Prob. 17CMCh. 7.CM - Prob. 18CMCh. 7.CM - Prob. 19CMCh. 7.CM - Prob. 20CMCh. 7.CM - Prob. 21CMCh. 7.CM - Prob. 22CMCh. 7.CM - Prob. 23CMCh. 7.CM - Prob. 24CMCh. 7.CM - Prob. 25CMCh. 7.CM - Prob. 26CMCh. 7.CM - Prob. 27CMCh. 7.CM - Prob. 28CMCh. 7.CM - Prob. 29CMCh. 7.CM - Prob. 30CMCh. 7.CM - Prob. 31CMCh. 7.CM - Prob. 32CMCh. 7.CM - Prob. 33CMCh. 7.CM - Prob. 34CMCh. 7.CM - Prob. 35CMCh. 7.CM - Prob. 36CMCh. 7.CM - Prob. 37CMCh. 7.CM - Prob. 38CMCh. 7.CM - Prob. 39CMCh. 7.CM - Prob. 40CMCh. 7.CM - Prob. 41CMCh. 7.CM - Prob. 42CMCh. 7.CM - Prob. 43CMCh. 7.CM - Prob. 44CMCh. 7.CM - Prob. 45CMCh. 7.CM - Prob. 46CMCh. 7.CM - Prob. 47CMCh. 7.CM - Prob. 48CMCh. 7.CM - Prob. 49CMCh. 7.CM - Prob. 50CMCh. 7.CM - Prob. 51CMCh. 7.CM - Prob. 52CMCh. 7.CM - Prob. 53CMCh. 7.CM - Prob. 54CMCh. 7.CM - Prob. 55CMCh. 7.CM - Prob. 56CMCh. 7.CM - Prob. 57CMCh. 7.CM - Prob. 58CMCh. 7.CM - Prob. 59CMCh. 7.CM - Prob. 60CMCh. 7.CM - Prob. 61CMCh. 7.CM - Prob. 62CMCh. 7.CM - Prob. 63CMCh. 7.CM - Prob. 64CM
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- Evaluate the following expression and show your work to support your calculations. a). 6! b). 4! 3!0! 7! c). 5!2! d). 5!2! e). n! (n - 1)!arrow_forwardAmy and Samiha have a hat that contains two playing cards, one ace and one king. They are playing a game where they randomly pick a card out of the hat four times, with replacement. Amy thinks that the probability of getting exactly two aces in four picks is equal to the probability of not getting exactly two aces in four picks. Samiha disagrees. She thinks that the probability of not getting exactly two aces is greater. The sample space of possible outcomes is listed below. A represents an ace, and K represents a king. Who is correct?arrow_forwardConsider the exponential function f(x) = 12x. Complete the sentences about the key features of the graph. The domain is all real numbers. The range is y> 0. The equation of the asymptote is y = 0 The y-intercept is 1arrow_forward
- The graph shows Alex's distance from home after biking for x hours. What is the average rate of change from -1 to 1 for the function? 4-2 о A. -2 О B. 2 О C. 1 O D. -1 ty 6 4 2 2 0 X 2 4arrow_forwardWrite 7. √49 using rational exponents. ○ A. 57 47 B. 7 O C. 47 ○ D. 74arrow_forwardCan you check If my short explantions make sense because I want to make sure that I describe this part accuratelyarrow_forward
- 9! is 362, 880. What is 10!?arrow_forwardBruce and Krista are going to buy a new furniture set for their living room. They want to buy a couch, a coffee table, and a recliner. They have narrowed it down so that they are choosing between \[4\] couches, \[5\] coffee tables, and \[9\] recliners. How many different furniture combinations are possible?arrow_forwardCan you check if my step is correct?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
- Algebra and Trigonometry (MindTap Course List)AlgebraISBN:9781305071742Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageCollege Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning

Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill


Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL

Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage

College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
Interpreting Graphs of Quadratic Equations (GMAT/GRE/CAT/Bank PO/SSC CGL) | Don't Memorise; Author: Don't Memorise;https://www.youtube.com/watch?v=BHgewRcuoRM;License: Standard YouTube License, CC-BY
Solve a Trig Equation in Quadratic Form Using the Quadratic Formula (Cosine, 4 Solutions); Author: Mathispower4u;https://www.youtube.com/watch?v=N6jw_i74AVQ;License: Standard YouTube License, CC-BY