Find all the solutions in the interval0 < Θ ≤ 360 of the following equations cos2Θ° = ⅓

Pls help me use explanation and way to do it ! pls dont prank me pls i wanna cry fr tomorrow is my test and i still dont understand how to do this, pls do only one question i will try to think hor the rest pls any kind hearted person want to help me? i will like + 5 starts + follow

T-T​