Use the information given about the angle 0, 0 <0<2n, to find the exact value of the indicated trigonometric function. 4 12) sin 0 = - < 0 < 2n Find cos(20). 5' 2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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Use the information given about the angle 0, 0 <0 <2n, to find the exact value of the indicated trigonometric function.
4
12) sin 0 = -
5'
< 0 < 2n
2
Find cos(20).
Transcribed Image Text:Use the information given about the angle 0, 0 <0 <2n, to find the exact value of the indicated trigonometric function. 4 12) sin 0 = - 5' < 0 < 2n 2 Find cos(20).
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