WILL MARK BRAINLIEST!! Identify the amplitude and period of the graph of the function

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.

If the value of cos330°is√3/2 then find cos 165°.

How do you write a paragraph proof to prove that the corresponding angles shown are congruent