Question

csc elevado a la 2 x = cot elevado a la 2 x + 1 

Answer 1

$\csc^2=\cot^2x+1$

$\displaystyle \frac{1}{\sin^2x}= \frac{\cos^2x}{\sin^2x}+1$

$\displaystyle \frac{1}{\sin^2x}= \frac{\cos^2x+\sin^2x}{\sin^2x}$

$\frac1{\sin^2x}=\frac1{\sin^2x}$