Find the Derivative

using the formula for derivative of arcsin:

and

Step 1.

Step 2:

Can't understand how they get from here (below this sentence) to the answer.

Answer:

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- Nov 8th 2012, 09:51 AMJason76Inverse Trig Derivative Problem about ArcSin
Find the Derivative

using the formula for derivative of arcsin:

and

Step 1.

Step 2:

Can't understand how they get from here (below this sentence) to the answer.

Answer:

- Nov 8th 2012, 10:02 AMfkfRe: Inverse Trig Derivative Problem about ArcSin
Multiplying sqrt(a)*sqrt(b) = sqrt(a*b)

In this case we have the denominator

sqrt(1-1+2x)*sqrt(1-2x) = sqrt(2x)*sqrt(1-2x) = sqrt((2x)*(1-2x)) = sqrt(2x-4x^2) - Nov 8th 2012, 10:05 AMtopsquarkRe: Inverse Trig Derivative Problem about ArcSin
- Nov 8th 2012, 03:41 PMJason76Re: Inverse Trig Derivative Problem about ArcSin
- Nov 8th 2012, 04:52 PMtopsquarkRe: Inverse Trig Derivative Problem about ArcSin