Posted by Sean on Tuesday, January 22, 2008 at 9:08pm.
Derivative of Inverse Trigonometric Functions
f(x) = cos(arcsin(2x))
What is f'(x)?

Calculus III  Damon, Tuesday, January 22, 2008 at 9:18pm
I did this down below, after the one drwls answered

Calculus III  Anonymous, Tuesday, January 22, 2008 at 9:30pm
Oh.
But the text book I'm using gives me the answer:
Sqrt(14x^2)
No denominators or anything.

Calculus III  Damon, Tuesday, January 22, 2008 at 9:59pm
That is just the first step.
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