Prove that the left side equals to the right side:
(sin x/(1-cos x))+(sin x/(1+cos x))=2 csc x

(use identities to do that)

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?