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.
x
-
s
i
n
x
=
2
3
.
1
4
1
5
9
2
6
3
Math Input
Natural Language
Math Input
