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.
38sin(x-1.003564)+66.57e^(-x/1.57)-30=0
38sin(x-1.003564)+66.57e^(-x/1.57)-30=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random