Question

ctg, якщо sin (a) = 5/8 cos (a) =3/16

Answer 1

Ответ:

$ctg(\alpha ) = \frac{3}{10}$

Объяснение:

$ctg(\alpha ) = \frac{cos(\alpha )}{sin(\alpha )} = \frac{3}{16} : \frac{5}{8} = \frac{3}{16} * \frac{8}{5} = \frac{3*1}{2*5} = \frac{3}{10}$