In Problems 84 and 85, find the exact solution of each equation.84. - 3 sin-1 x = π 85. 2 cos-1 x + π = 4 cos-1 x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 30E
Topic Video
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In Problems 84 and 85, find the exact solution of each equation.
84. - 3 sin-1 x = π

85. 2 cos-1 x + π = 4 cos-1 x

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