Question

Which of the following expression expressions is equivalent to cos3x/sinxcosx?

A.) cscxcos2x-secxsin2x
B.) secxcos2x-cscxsin2x
C.) secxcosx-cscxsinx
D.) cscxcosx-secxsinx

Answer 1

A.) cscxcos2x-secxsin2x

Explanation:

I'm sorry I really do not know how to solve this but I just did the quiz and b was not correct.