4 5 with v in the quadrant I. 13' Find the exact value of cos(u + v) given that sin u = with u in quadrant II, and sin v= 5 cos (u + v) = (Simplify your answer. Type an integer or a simplified fraction.)
4 5 with v in the quadrant I. 13' Find the exact value of cos(u + v) given that sin u = with u in quadrant II, and sin v= 5 cos (u + v) = (Simplify your answer. Type an integer or a simplified fraction.)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.4: Sum And Difference Formulas
Problem 3ECP: Find the exact value of cosu+v given sinu=1213, where 0u2 and cosv=35, where 2v.
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