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If cos 0 4. ૐ 4 b. 1 4 C. d. 3 4 1 4 3 4 find cos (-).

If cos 0 4. ૐ 4 b. 1 4 C. d. 3 4 1 4 3 4 find cos (-).

Trigonometry (11th Edition)
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

If cos theta = 3/4, find cos (–θ).

3 If cos 0 = 2, find cos (-). a. C. 3 d. | b. 1 4 •| + 1 1 1 4 3 4
Transcribed Image Text:3 If cos 0 = 2, find cos (-). a. C. 3 d. | b. 1 4 •| + 1 1 1 4 3 4
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