How do I solve the problem 5.9-7.3-10.2

If m∠c = 147°, determine m∠e. 147° 57° 33° 180°

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Sketch one cycle if the cosine function y=2cos2theta