Trigonometry! #41
Geometry
Level
3
Find the intersection of the curves \(y=\cos x\) and \(y = \sin 3x\) for \(-\frac {\pi}{2}≤x≤\frac {\pi}{2}\).
Enter the sum of the x-coordinates of the intersections.
This problem is part of the set Trigonometry.
by
Omkar Kulkarni