7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th quadrant. Find: (a) cos (B) (b) sin (A – B) (c) cos (2A) (d) tan (B) (e) cos
7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th quadrant. Find: (a) cos (B) (b) sin (A – B) (c) cos (2A) (d) tan (B) (e) cos
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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