If sin(a) and a is in QII, and cos(ß) = and B is in QIV, find cos(a+B)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 38E
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If sin(a) = and a is in QII, and cos(B) = and ß is in QIV, find cos(a + B)
Transcribed Image Text:3 If sin(a) = and a is in QII, and cos(B) = and ß is in QIV, find cos(a + B)
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