Find the first derivative of 2cos(2 + x³). a. -6x² sin(2 + x³) b. -x² (sin 2 + x³) c. -6x² (cos 2) + x³ d. -6x² sin(2 + x²)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 69E
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Find the first derivative of 2cos(2 + x³).


a. -6x² sin(2 + x³)

b. -x² (sin 2 + x³)

c. -6x² (cos 2) + x³
d. -6x² sin(2 + x²)

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