hi
put
and solve
I want to find x-axis intercepts of this equation:
(sin x+0.5)(sin x-0.25)=0.25
0 <= x <= 360.
So sin x=-0.25 or sin x=0.5
One of the associated acute angles is 30 which is found from sin x=0.5. The other is 48.59 but I don't know where it comes from.