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Let sinA = 15/17 with A in QII and sinB = -4/5 with B in QIII. Find sin(A + B), cos(A + B), and tan(A + B).

Let sinA = 15/17 with A in QII and sinB = -4/5 with B in QIII. Find sin(A + B), cos(A + B), and tan(A + B).

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.5: Trigonometric Graphs
Problem 24E
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Let sinA = 15/17 with A in QII and sinB = -4/5 with B in QIII. Find sin(A + B), cos(A + B), and tan(A + B).

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