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.
ParametricPlot[{Re[1+Exp[I t]],Im[1+Exp[I t]]},{t,Pi/2,Pi}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
