If `y=sec(tan^(-1)x)`, then `(tan^(-1)x)`, then `(dy)/(dx)" at "x=1` is equal to
Channel: Doubtnut
Date: 24/05/2020

If `y=sec(tan^(-1)x)`, then `(tan^(-1)x)`, then `(dy)/(dx)" at "x=1` is equal to