V3 1. If sin 0 = :<0< 2n , find the exact value of each of the following. a) sin (20) b) sin (;)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 64E
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V3
1. If sin e = -
< 0 < 2n , find the exact value of each of the following.
2
a) sin (20)
b) sin ()
2. Use the half-angle formulas to find the exact value of each expression.
а) cos 22.5°
9n
b) tan
8
3. Solve the equation on the interval 0 < 0 < 2n.
cos (20) = cos 0
Transcribed Image Text:V3 1. If sin e = - < 0 < 2n , find the exact value of each of the following. 2 a) sin (20) b) sin () 2. Use the half-angle formulas to find the exact value of each expression. а) cos 22.5° 9n b) tan 8 3. Solve the equation on the interval 0 < 0 < 2n. cos (20) = cos 0
4. Find the exact value of each of the following.
a) cos (2 sin-1)
b) tan (2 tan
-1.
Transcribed Image Text:4. Find the exact value of each of the following. a) cos (2 sin-1) b) tan (2 tan -1.
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