Use a sum or fference formula to find the exact value of the following. TC sin - 5 cos + cos 20 元 Π sin 5 20

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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Use a sum or fference formula to find the exact value of the following.
sin
元
20
元5
Π
sin
COS
+ cos
20
A
пп
Continue
ㅁㅁ
Transcribed Image Text:Use a sum or fference formula to find the exact value of the following. sin 元 20 元5 Π sin COS + cos 20 A пп Continue ㅁㅁ
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