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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Question
Transcribed Image Text:In Exercises 39–42, express the given quantity in terms of sin x and
cos x.
39. cos (7 + x)
40. sin (27 - x)
37
42. cos
41. sin
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