all the mathematicians!!! urgent help needed :(

i dont knw if its the right forum to post but i need ur help

ok so can sum1 tell me how to find this?

i suck at maths PLZ! :crying:

Find the period of the following functions:

y = sin(2X) + sin(4X)

plz hurry sum1 needs to submit the assignment today :frowning:

:crying: :crying: