Question

Срочно! Решите, пожалуйста две задачи.

Answer 1

BC=sin α/BA;AC= tg β *BC

Answer 2

1. sin a = BC/AB
BC/ 36 = 0.4
BC = 36 × 0.4 = 14.4

2. tg b = AC/BC
AC / 20= 1.6
AC = 1.6 × 20 = 32