Need help with these four problems anyone who answers this first gets a brainiest This assignment is due today please someone help me.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

Ineed here’s a picture of the question