sin(x)sec(x) - 2sin(x) = 0
sin(x)(sec(x)-2) = 0
sin(x) = 0
sec(x) = 2
Those are pretty standard angles, so listing the solutions should be easy.
Solve for x. sec(x)sin(x)=2sin(x)
0<=x<=2pi
1 answer
0<=x<=2pi
1 answer