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.
0=3+(4.5-x^2*sin(8pi/9)/9.81)*tan(1.172)-9.81*((4.5-x^2*sin(8pi/9)/9.81)^2)/(2*0.2*x^2)*(1+tan^2(1.172))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random