So far I’ve found two solutions, but I need to find them all,
So far I’ve found two solutions, but I need to find them all, I’m confused how to use the following formula below;
sin(5x) = sin(3x)
exact solutions lie in [0,2π)
I have to use the following sum to product formula for the angles
sin(α) ± sin(β) = 2sin ( α±β /2) cos(α∓β/2)