Graph the function. 10) y - 2 + cot x 10)

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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Graph the function.
10) y = 2 + cot x
10)
3n X
-3n
2
Verify the identitity.
11) cos x csc x tan x - 1
11)
12) cos²x - sin2x - 1 - 2 sin²x
12)
Use an appropriate identity to find the exact value of the expression.
13) cos
13)
14) tan (165°)
14)
Find the exact value by using a sum or difference identity.
15) sin (95') cos (35°) - cos (95°) sin (35°)
15)
Use the appropriate sum or difference identity to write the given expression as a function of x alone.
16) sin
16)
Find the exact value, given that sin A = - 4/5, with A in quadrant IV, tan B = 7/24 with B in quadrant III, and cos C = - 5/13
with C in quadrant II.
17) sin 2A
17)
18) cos 2A
18)
Find the exact value by using a half-number identity.
19) sin 22.5°
19)
Use a half-number identity to find an exact value for the function, given the information about x.
20) cos , given cos x - with o < x <
20)
Transcribed Image Text:Graph the function. 10) y = 2 + cot x 10) 3n X -3n 2 Verify the identitity. 11) cos x csc x tan x - 1 11) 12) cos²x - sin2x - 1 - 2 sin²x 12) Use an appropriate identity to find the exact value of the expression. 13) cos 13) 14) tan (165°) 14) Find the exact value by using a sum or difference identity. 15) sin (95') cos (35°) - cos (95°) sin (35°) 15) Use the appropriate sum or difference identity to write the given expression as a function of x alone. 16) sin 16) Find the exact value, given that sin A = - 4/5, with A in quadrant IV, tan B = 7/24 with B in quadrant III, and cos C = - 5/13 with C in quadrant II. 17) sin 2A 17) 18) cos 2A 18) Find the exact value by using a half-number identity. 19) sin 22.5° 19) Use a half-number identity to find an exact value for the function, given the information about x. 20) cos , given cos x - with o < x < 20)
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