- #1

utkarshakash

Gold Member

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- 13

## Homework Statement

Is this equation correct for permissible values of x

[itex]tan^{-1}|tan x| = |x|[/itex]

## Homework Equations

## The Attempt at a Solution

I assume LHS to be θ.

Then tanθ=|tanx|

The original equation becomes

[itex]tan^{-1}tan \theta = |x|[/itex]