Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
1/(2pi) * ( (pi - (pi-arcsin(y))) + (arcsin(y) - (-pi)) - (-arcsin(y)- pi -(-pi)))
1/(2pi) * ( (pi - (pi-arcsin(y))) + (arcsin(y) - (-pi)) - (-arcsin(y)- pi -(-pi)))
Natural Language
Math Input
Extended Keyboard