Question

sin10x-cos4x=0 решение

Answer 1

sin(10*x) - cos(4*x) =0
sin(10*x) - sin(0,5*pi-4*x) =0
2*cos(3*x+0,25*pi)*sin(7*x-0,25*pi)=0
cos(3*x+0,25*pi)=0
sin(7*x-0,25*pi)=0