4 If sin A with A in QII, and sin B with B in QIII, find sin(4+B) 35
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 20E
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If sinA= 4/5 with A in QII, and sinB= -3/5 with B in QIII, find sin(A+B)
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