QUESTION 1 1.1 Determine the value of the following WITHOUT using a calculator: cos ec45" a. sin 90°. tan 60° b. cos30". tan 60° + cosec 45".sin? 60°
QUESTION 1 1.1 Determine the value of the following WITHOUT using a calculator: cos ec45" a. sin 90°. tan 60° b. cos30". tan 60° + cosec 45".sin? 60°
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:QUESTION 1
1.1 Determine the value of the following WITHOUT using a calculator:
cos ec45
a.
sin 90'. tan 60°
b. cos30. tan 60° +cos ec? 45°.sin? 60°
1.2 Solve for x in each of the following:
a. 7- 5x =x2
x+1
b. 1+
x- 2
2
= 0
х-1
1.3 Solve for x, correct to ONE decimal place, where 0' sxS 90°:
a.
tan x = 2.01
b. 5cos x +2 = 4
cosecx
3D3
с.
1.3 Consider the function f(x) =-3 tanx
Sketch, on the grid provided, the graph of f for 0° sxs360°. Clearly sho
and asymptotes
1.3.1 Hence, or otherwise, write down the:
a. Period of f
b. Equation of h if h is the reflection of fabout the x-axis
Sketched below is the graph of g(x)= a.cosb0
1.3.2
ty
180*
278
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