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.
UPGRADE TO PRO
APPS
TOUR
Sign in
{14^sin(x) = (1/2)^cos(x)*7^sin(x),-4*Pi<=x,x<=-5*Pi/2}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random