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.
graph y = 4 sin(2pi/0.04 x)
graph y = 4 sin(2pi/0.04 x)
Natural Language
Math Input
Extended Keyboard
