Prove That 2cos? = v2 + v2 + 2cos 4?

Prove That
2cos? = v2 + v2 + 2cos 4?


1 Answers

879 Points
12 years ago

Dear student,

Your question is not much clear....there is some ? in ur doubt....please check it...

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

All the best.

Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.

Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar  respectively : Click here to download the toolbar..


Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi


Think You Can Provide A Better Answer ?