If cos 0 = -- and T < 0 < 3, what is the value of cos () ? 3 V14 V 14

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 28E
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Question
If cos 0 =
2 and T < 0 < 3, what is the value of cos () ?
5
14
3
14
5
-
14
3
14
Transcribed Image Text:If cos 0 = 2 and T < 0 < 3, what is the value of cos () ? 5 14 3 14 5 - 14 3 14
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