The period for 2sin(2x) is = .
The period for cos(3x) is .
The period for y = 2sin(2x) + cos(3x) is the Least Common Multiple of and , which is .
ANSWER. The period for y = 2sin(2x) + cos(3x) is .
Solved.
The answer in the post by @lynnlo is incorrect.
My post is written as opposition to that by @lynnlo.