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2 O is in QI. 3 Given: cos 6 What is the value of cos(20)? 1 4 -- - 9. 0 4 - 6. o 1 - 9.

2 O is in QI. 3 Given: cos 6 What is the value of cos(20)? 1 4 -- - 9. 0 4 - 6. o 1 - 9.

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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Given: cos 6 O is in QI. What is the value of cos(20)? CoS 1 9. 4 O 4 9. o 1 9. 2.
Transcribed Image Text:Given: cos 6 O is in QI. What is the value of cos(20)? CoS 1 9. 4 O 4 9. o 1 9. 2.
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