Question

Simplifica: Secx-cosx/cscx-senx

Answer 1

respuesta

Solución: sen x cos2 x - sen x

Factorizando sen(x) sen x ( cos 2 x - 1 )

Usando la identidad

cos 2 ( α ) + sen 2 ( α ) = 1

sen x ( cos 2 x - ( cos 2 ( x ) + sen 2 ( x )

sen x ( cos 2 x - cos 2 ( x ) - sen 2 ( x )

Simplificando sen x ( - sen 2 ( x ) )