Автор - maks37924

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

Ответ

Автор - Nullpo201

1)cosx = ✓1-9/25 = -4/5

2)tgx = sinx/cosx = 3/4

3)ctgx = 1/tgx = 4/3

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