Question

Найдите производные
F(x)=sin3xcos3x
F(x)=x^4+tg3x
F(x)=cos3x/x

Answer 1

f(x) = 3(cos3x)^2 - 3(sin3x)^2 = 3cos6x

f(x) = 4x^3 + 3/(cos3x)^2

f(x) = (-3xsin3x +cos3x)/x^2