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
*
2
t
a
n
4
0
3
0
4
1
=
0
.
0
4
+
0
.
2
1
*
x
0
.
7
5
Math Input
Natural Language
Math Input
