Damn instructors

Okay I have a horrible instructor. I need help with these practice problems

For trigonometry

"Find the general solutions of the eqasions algebraically"
(^2 is squared)
a. ( 4sin^2 x = 2cosx+1
b. sec(4x) =2

Thanks for any help.

>>1

Learn how to do this crap yourself.  Otherwise you're just contributing to the willful idiocy us TAs have to fight against when you get to college.