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.
p
l
o
t
e
-
2
t
s
i
n
2
π
4
4
0
t
θ
t
o
n
-
0
.
5
,
0
.
5
Math Input
Natural Language
Math Input
Popular
