Question

sin=-3/5
$\pi < \alpha < \frac{3\pi}{2}$
найти все!!
ctg, cos, tg​

Answer 1

1)cosx = ✓1-9/25 = -4/5

2)tgx = sinx/cosx = 3/4

3)ctgx = 1/tgx = 4/3