5. If 90° < θ < 180° and sin θ = 7, find cos 20. = 0 - O Ο Ο 8 49 41 49 49
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°.
Related questions
Question
Transcribed Image Text:5. If 90° < 0 < 180° and sin 0 = 2, find cos 20.
8
O-99
O
8
49
41
O 49
O-1
41
49
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