Use a product-to-sum formula to rewrite cos 8w cos 4w as a sum or difference. cos 8w cos 4w =| OsinO Ocos
Use a product-to-sum formula to rewrite cos 8w cos 4w as a sum or difference. cos 8w cos 4w =| OsinO Ocos
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 18T
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![Use a product-to-sum formula to rewrite cos 8w cos 4w as a sum or difference.
cos 8 w cos 4w =||
%3D
Ocos](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3893932c-2434-47b4-9ff3-80ab3f986ca2%2F43a99b18-00b0-4ad9-9cd3-bd2b905f9fa9%2Fksccvl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use a product-to-sum formula to rewrite cos 8w cos 4w as a sum or difference.
cos 8 w cos 4w =||
%3D
Ocos
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