Find the value of `tan^(-1)(-1/(sqrt(3)))+cot^(-1)((1)/(sqrt(3))) + tan^(-1)[sin\'((-pi)/(2))]`.
Channel: Doubtnut
Date: 2020-01-19

Find the value of `tan^(-1)(-1/(sqrt(3)))+cot^(-1)((1)/(sqrt(3))) + tan^(-1)[sin\'((-pi)/(2))]`.