Question

Me ayudan. Solución de
csc x-sen x= cos x.ctg x​

Answer 1

$\csc(x) - \sin(x) \\ = \frac{1}{ \sin(x) } - \sin(x) \\ = \frac{1 - { \sin(x) }^{2} }{ \sin(x) } \\ = \frac{ { \cos(x) }^{2} }{ \sin(x) } \\ = \cos(x) \frac{ \cos(x) }{ \sin( x) } \\ = \cos(x) \cot(x)$