5. If 90° < θ < 180° and sin θ = 7, find cos 20. = 0 - O Ο Ο 8 49 41 49 49

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section8.3: Products And Quotients In Trigonometric Form
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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
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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