# What is the integral of #sqrt(1-x^2)#?

##### 1 Answer

Dec 18, 2014

Hint: First, apply trigonometric substitution. This question is in the form

You will have to use the half-angle identity after.

Integrate. You will get an indefinite integral.

Set up a right triangle to find the value for the indefinite integral.

I hope this video would help clear things up.