What is the general solution, to the equation (4cos^2 2x+1)sin(1/3)x=0?

a)2pi n where n can be any real integer
b)no solution
c)3pi n where n can be any real integer
d)(pi/3)n where n can be any real integer

Question

What is the general solution, to the equation (4cos^2 2x+1)sin(1/3)x=0?

a)2pi n where n can be any real integer
b)no solution
c)3pi n where n can be any real integer
d)(pi/3)n where n can be any real integer

anonymous · Answer

is it

$$4\cos^{2}(2x+1)*\sin(x/3)= 0$$

?