CAN SOMEONE PLEASE HELP ASAP

If value of cos330° is √3/2 then find tan165°.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.