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.
solve 19.6*sin(x)*cos(x)=9.8 for 0<x<1.57
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
