Question

помогите пожалуйста)0)

Answer 1

Ответ:

(-4/15)*(ln(cos(8x/5)))^(-(5/6))*(tg(8x/5))

Объяснение:

(1/6)*(ln(cos(8x/5)))^(-(5/6))*(1/cos(8x/5))*(-sin(8x/5))*(8/5) = (-4/15)*(ln(cos(8x/5)))^(-(5/6))*(tg(8x/5))