# how to integrate this...

• December 4th 2008, 01:00 PM
tennis14321
how to integrate this...
1/sqrt(a-x^2)
is it sin^-1(x/sqrt(a)) ?(Angry)
• December 4th 2008, 01:01 PM
Mathstud28
Quote:

Originally Posted by tennis14321
1/sqrt(a-x^2)
is it sin^-1(x/sqrt(a)) ?(Angry)

So close! Just remember that $\frac{1}{\sqrt{a}}$ out front.
• December 4th 2008, 01:12 PM
tennis14321
Thank you,
I didn't get the same result as the book for the problem at the end.