For the following exercises, evaluate the product using a sum or difference of two functions. Evaluate exactly. cos(45°)cos(15°)

Chapter 7, 7.4 Exercises #17

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For the following exercises, evaluate the product using a sum or difference of two functions. Evaluate exactly.

cos(45°)cos(15°)

Related Book For answer-question

Precalculus

1st Edition

Authors: Jay Abramson

ISBN: 9781938168345