# Math Help - integral

1. ## integral

I solved this integral, however, I need some help evaluating it with the upper and lower bounds. My answer seems a bit odd.

Integral 3/(sqroot1-x^2)dx

I got 3inverse sinx from -1 to 1 but when I plug the values in i'm not sure how to report the answer.

2. Originally Posted by swimmergirl
I solved this integral, however, I need some help evaluating it with the upper and lower bounds. My answer seems a bit odd.

Integral 3/(sqroot1-x^2)dx

I got 3inverse sinx from -1 to 1 but when I plug the values in i'm not sure how to report the answer.
What's the trouble? $\sin^{-1} (1) = \frac{\pi}{2}$ and $\sin^{-1} (-1) = - \frac{\pi}{2}$ ....

3. It seems there was a mistake on my solutions manual that led me to believe I had the wrong answer. Thank you!