Question 1 [4 points) [3 a) Find all solutions for 2cos(z)= . [3 b) If 9111(3) = % andsec(y) = g, where 0 1: m 5 g and i] g y S %, evaluate the...

I don't have very much time to finish assignment, only 1 and a half hours and this trigonometry unit wasn't well explained and these questions have me completely stumped. I really really need help.

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Question 1 [4 points) [3 a) Find all solutions for 2cos(z)= fl. [3 b) If 9111(3) = % andsec(y) = g, where 0 1: m 5 g and i] g y S %, evaluate the expression sin(2y). Question 2 [6 points)Solve for all values oFx in the given intervals:U 3) 2cos(a:)+sin(2m) = i} for 0 32:3 2111-D b) 251139321 forzeR U C) m’(x)—3=fl formeB