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2/2 Suppose cos(a): , where sin(a)<0 and cos(B) where

2/2 Suppose cos(a): , where sin(a)<0 and cos(B) where

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.5: Properties Of Logarithms
Problem 42E
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Suppose cos(a) =<V2, 2/2 where sin(a) <0 and cos(B): 3 where 4' <B<n, what is the exact value of cos(a + B)? 2 17-6/7 A 12 3+2/14 B 12 2/2- 3/7 12 9+8/2 12
Transcribed Image Text:Suppose cos(a) =<V2, 2/2 where sin(a) <0 and cos(B): 3 where 4' <B<n, what is the exact value of cos(a + B)? 2 17-6/7 A 12 3+2/14 B 12 2/2- 3/7 12 9+8/2 12
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