For the following exercises, prove the identities. cos(3x) = cos 3 x 3 sin 2 x cos x

Chapter 7, 7.3 Exercises #60

For the following exercises, prove the identities.

cos(3x) = cos3 x − 3 sin2 x cos x

This problem has been solved!


Do you need an answer to a question different from the above? Ask your question!
Related Book For answer-question

Precalculus

1st Edition

Authors: Jay Abramson

ISBN: 9781938168345