Prove that cotx + coty = sin(x+y)/sin x sin y

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

What is the area of the shaded sector?

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?