Apentix/AP Calculus AB/Unit 3: Differentiation: Composite, Implicit, and Inverse Functions/Question
AP Calculus ABeasymcq1 pt

Find d/dx [cos³(2x)].

Explanation

Core Concept

Correct. By the chain rule applied to [cos(2x)]³: 3cos²(2x) · (-sin(2x)) · 2 = -6cos²(2x)sin(2x).

Correct Answer

q8a

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    Find d/dx [cos³(2x)]. | AP Calculus AB | Apentix