Prove the identity.
tanx- cotx
: 2 sin-x-1
tan x + cotx
Need step by step please

For what value of (y) is 3^3/3^y =1/9

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?