Verify the identity. (Simplify at each step.) COS ( 57 - x) = -√² (cos(x) + sin(x)) 4 2 cos( 57 - x) = cos(57)( 4 = -√2/22 (C == 2 (cos(x) + sin(x)) X + sin(5) X
Verify the identity. (Simplify at each step.) COS ( 57 - x) = -√² (cos(x) + sin(x)) 4 2 cos( 57 - x) = cos(57)( 4 = -√2/22 (C == 2 (cos(x) + sin(x)) X + sin(5) X
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:Verify the identity. (Simplify at each step.)
5π
cos( 57 - x) = -√² (cos(x) + sin(x))
2
5π
cos( 57 - x) = cos(57) (
COS
4
4
=
-√ (cos(x)
2
Sammly you
(cos(x) + sin(x))
X
) + sin(5) D
4
X
)
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