Question

Помогите
sin3xcos2x+cos3xsin2x=0

Answer 1

$\sin3x\cos2x+\cos3x\sin2x=0\\ \sin3x\cos2x+\cos3x\sin2x=\sin(2x+3x)\\ \sin5x=0\\x=\frac{\pi k}{5}, k\in Z$

Answer 2

sin(3x+2x)=0

sin5x=0

x=πn/5 , n∈Z