cos 29° cos 60° + sin 29° 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:Use the sum and difference identities to write
cos 29° cos 60° + sin 29° sin 60°.
as a function of a single angle.
1. sin 31°
2. sin 89°
3. cos 31°
4. tan 89°
5. cos 89°
6. tan 31°
7. None of these
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