Write the product as a sum or difference of trigonometric functions. sin 5x sin 13x O cos 8x - cos 18x (cos 18x + cos 8x) O sin 18x + sin 8x O cos 18x + cos 8x
Write the product as a sum or difference of trigonometric functions. sin 5x sin 13x O cos 8x - cos 18x (cos 18x + cos 8x) O sin 18x + sin 8x O cos 18x + cos 8x
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:Write the product as a sum or difference of trigonometric functions.
2 sin 5x sin 13x
cos 8x - cos 18x
(cos 18x + cos 8x)
O sin 18x + sin 8x
O cos 18x + cos 8x
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