Question

csc X - cotg x.cos x = sen x​

Answer 1

Explicación paso a paso:

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