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1. Which of the following is equal to cos* 0 ?

1. Which of the following is equal to cos* 0 ?

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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1. Which of the following is equal to cos 0? 3 (a) 8. 1 1 1 +-cos 20 4 1 3 1 (c) 8. 1 cos 20 + - сos 40 8. cos 20 + cos 40 (b) 8. 4 2 (d) 1- sin* e (e) none of these
Transcribed Image Text:1. Which of the following is equal to cos 0? 3 (a) 8. 1 1 1 +-cos 20 4 1 3 1 (c) 8. 1 cos 20 + - сos 40 8. cos 20 + cos 40 (b) 8. 4 2 (d) 1- sin* e (e) none of these
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