Verify the identity. 9 cos(sin ¹ x) = √81 - 81x² = 8 = x = . Thus, Let 8 = sin-¹ x = sin 8 = x 9 cos(sin-1 x) = 9 cos( V81-81x²

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
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Verify the identity.
9 cos(sin -1
x) = √81 - 81x²
Let 8 = sin-1 x = sin 8 = x= . Thus,
9 cos(sin 1x) = 9 cos(
= 9 1-
= √81 - 81x²
Transcribed Image Text:Verify the identity. 9 cos(sin -1 x) = √81 - 81x² Let 8 = sin-1 x = sin 8 = x= . Thus, 9 cos(sin 1x) = 9 cos( = 9 1- = √81 - 81x²
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