18) Use sum and difference formulas to find the exact value of the expression. cos 75°

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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18) Use sum and difference formulas to find the exact value of the expression.
cos 75°
口女中
口タ介
Transcribed Image Text:* * 100% Image Font Window Help 0006.jpg ti Crop Outline Select Fill Size Rotate Brushes Color1 Color2 Colors Image Tools Shapes Exa 18) Use sum and difference formulas to find the exact value of the expression. cos 75° 口女中 口タ介
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