Question

Hello people ~Sketch the graph for y=cot ^-1 (cot x) ​

Answer 1

Answer:

      $\sf y=cot^{-1}(cot(x))$

$\sf \implies cot(y)=cot(x)$

$\sf \implies \dfrac{1}{tan(y)}=\dfrac{1}{tan(x)}$

$\sf \implies tan(x)=tan(y)$

$\sf \implies y=x$

$\sf \implies y=x\pm\pi n$