Question

${\cos }^{-1}\left(cosx\right)=x,x\in (0,\pi )$.

Is it true?If true enter 1 else 0.

Answer 1

As we know that

${\text{cos}}^{-1}\left(\cos x\right)=x$
if $x\in (0,\pi )$

So the relation is true

The correct answer is $1$