37 Let (): (Give an exact answer. Use symbolic notation and fractions where needed.) <1< 2x and cos (1) = Use a half-angle formula to find cos (G. cos = ():

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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37
Let
<i< 2x and cos (1) = .
Use a half-angle formula to find cos ().
(Give an exact answer. Use symbolic notation and fractions where needed.)
()=
cos
Transcribed Image Text:37 Let <i< 2x and cos (1) = . Use a half-angle formula to find cos (). (Give an exact answer. Use symbolic notation and fractions where needed.) ()= cos
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