Question

Which of the following would be an acceptable first step in simplifying the expression

sinx/1- cosx?

A. sinx - sinx/1- cos x
B. 1/cscx - cosx
C. Cannot be simplified further
D. sin x(1+cosx)/(1-cosx)(1+cosx)

Answer 1

Answer: A

Step-by-step explanation: Because it can be simplified twice.