Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES)
Welcome to Sarthaks eConnect Question Bank
Practice Online Test Series for JEE Main 2018 & NEET 2018
`int_0^(pi/2) Sin 4x cot xdx` is equal to-
`–pi/2`
0
`pi/2`
`pi`