Q.The function $f(x)=\tan^{-1}x+\tan^{-1}(1/x)$ equals

\pi/2

for

x>0

\pi/2

for all

x

0 for

x>0

\pi

for

x<0

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.The function f(x)=tan⁡−1x+tan⁡−1(1/x)f(x)=\tan^{-1}x+\tan^{-1}(1/x)f(x)=tan−1x+tan−1(1/x) equals