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.
Sen2(α)/ 1+cos2(α) * cot α/2 + 1+cosα/cosα
Sen2(α)/ 1+cos2(α) * cot α/2 + 1+cosα/cosα
Natural Language
Math Input
Extended Keyboard
