Sin 21 2th = 3
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 41E
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Hello, can you help with this?
see attached image
![Sin
21 =
L
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd9e4490e-6c12-4d59-b6bf-c6e024b1a154%2F89901e22-bf48-42ee-8319-6793605fea4a%2F2nxbku_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Sin
21 =
L
3
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