Question

найдите производную
у = sin 3x
y = sin^3 x
y = sin x^3
y = 3sinx

Answer 1

sin(3x) = 3cos3x(sinx)^3 = 3(sinx)^2*cosxsin(x^3) = 3x^2*cos(x^2)3sin(x) = 3cos(x)