Question

Reduzca la expresión:

Answer 1

Respuesta:

,

$1 - {sen}^{2} x = {cos}^{2} x$

$1− {cos}^{2} x = {sen}^{2}x$

$\frac{ {cos}^{2}x }{ {sen}^{2} x} - {csc}^{2} x$

${csc}^{2} x \: - {csc}^{2} x = 0$