For the following exercises, find the exact value. cos(83°)cos(23°) + sin(83°)sin(23°)

Chapter 7, Review Exercises #14

For the following exercises, find the exact value. 

cos(83°)cos(23°) + sin(83°)sin(23°)

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Related Book For answer-question

Precalculus

1st Edition

Authors: Jay Abramson

ISBN: 9781938168345