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 (x+2)^2=h^2+(y+1)^2,4=x^2+y^2-2xy*cos(A),cos(A)=(y+1)/(x+2)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random