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.
plot 1 sin (3*x) + 8 , 1 sin (4*x) + 7 from -6 to 6
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random