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AP Calculus AB/BC
Unit 3 – Composite, Implicit, and Inverse Functions
Topic 3.4
If $m(x) = \frac{1}{3} \cdot \cos^{-1}\left(\frac{2x}{5}\right)$, then $m'(x)$ is:
$-\frac{2}{3\sqrt{25-(2x)^2}}$
$-\frac{2}{3\sqrt{25-(3x)^2}}$
$-\frac{1}{3\sqrt{25-(2x)^2}}$
$-\frac{2}{3\sqrt{25+(2x)^2}}$
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AP Calculus AB/BC - 3.4 Differentiating Inverse Trigonometric Functions
Key terms
cos^{-1}
m'(x)
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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