Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) `tan [pi/4+1/2 cos^-1(5/7)]+ cot [pi/4+1/2 cos^-1(5/7)]` is equal to- - Sarthaks eConnect
menu
search
Ask Question

Welcome to Sarthaks eConnect Question Bank

Practice Online Test Series for JEE Main 2018 & NEET 2018

`tan [pi/4+1/2 cos^-1(5/7)]+ cot [pi/4+1/2 cos^-1(5/7)]` is equal to-

`tan [pi/4+1/2 cos^-1(5/7)]+ cot [pi/4+1/2 cos^-1(5/7)]` is equal to-

A.

`5/7`

B.

`10/7`

C.

`14/5`
D.

`7/5`

Powered by Sarthaks eConnect
Powered by Sarthaks eConnect