# What is the solution for $\tan ^{-1} > \pi /4 ?$  Option 1) $x \epsilon R$ Option 2) $x \epsilon [1 ,\infty ]$ Option 3) $x \epsilon [-\infty ,\infty ]$ Option 4) $x \epsilon [0 ,\infty ]$

H Himanshu

As we have learned

Graphs of Inverse Trigonometric Functions -

- wherein

This is the graph for $\tan ^{-1}x$

Solution will be $x \epsilon [1 , \infty )$

Option 1)

$x \epsilon R$

Option 2)

$x \epsilon [1 ,\infty ]$

Option 3)

$x \epsilon [-\infty ,\infty ]$

Option 4)

$x \epsilon [0 ,\infty ]$

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