Question 752310
find all the solutions in the interval [0,2pi). 
sin 4 x *cos 3 x - cos 4 x *sin 3 x = 0
Identity: sin(x-y)=sinx*cosy-cosx*siny
For given problem:
sin 4 x *cos 3 x - cos 4 x *sin 3 x=sin(4x-3x)=0
sinx=0
x=0, &#960;