xpress tiIE SS the f (x) = 3 sin? x + cos? x of oog m

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Question
Express the function
f (x)
3 sin? x + cos² x
COS
in terms of cos 2x.
1. f(x) = 1+ 2 cos 2x
2. f(x) = 2+ cos 2x
3. f(x) = -1 – 2 cos 2x
4. f(x) = 1- 2 cos 2x
5. f(x)
= -2 – cos 2x
6. f(x) = 2– cos 2x
Transcribed Image Text:Express the function f (x) 3 sin? x + cos² x COS in terms of cos 2x. 1. f(x) = 1+ 2 cos 2x 2. f(x) = 2+ cos 2x 3. f(x) = -1 – 2 cos 2x 4. f(x) = 1- 2 cos 2x 5. f(x) = -2 – cos 2x 6. f(x) = 2– cos 2x
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