arcsin derivative

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October 22nd 2009, 07:14 PM
mybrohshi5

arcsin derivative

If http://webwork.asu.edu/webwork2_file...9873688821.png,
what is f'(x)?
October 22nd 2009, 07:55 PM
scorpion007

Remember Chain rule:

$f'(x) = 5(\arcsin(4x+2))^4 \cdot \frac{1}{\sqrt{1-(4x+2)^2}} \cdot 4$

Simplify.

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