Question

помогите Срочно надо​

Answer 1

$\sin(K) = \frac{12}{15} = \frac{4}{5} = 0.8 \\ \cos(K) = \frac{9}{15} = \frac{3}{5 } = 0.6 \\ \tan(K) = \frac{12}{9} = \frac{4}{3} = 1 \frac{1}{3}$