Establish the identity.
(csc0+ cot 0)(csc0- cot0) = 1

a. Multiply and write the left side expression as the difference of two squares: ?

b. The expression from the previous step is equivalent to 1 using what?
O A. Reciprocal Identity
O B. Quotient Identity
O C. Pythagorean Identity
O D. Cancellation Property
O E. Even-Odd Identity

pls help asap i can’t pass this class without passing this test