Question

COTX . Sec X = COS X​

Answer 1

.

es incorrecta

$\frac{ \cos(x) }{ \sin(x) } \times \frac{1}{ \cos(x) } = \cos(x)$

$\frac{1}{ \sin(x) } = \cos(x)$

$\sec(x) es \: diferente \: de \: \cos(x)$