Question

Which of the following would be an acceptable first step in simplifying the expression cos(x) / 1 - sin x?
A.) [ cos(x) * (1 + sin(x)) ] / [(1-sin(x) * (1+sin(x)]
B.) cos(x) - [cos(x) / sin(x)]
C.) 1 / [sec(x) - sin(x)]

Answer 1

Never mind. I got it. It is A.

Answer 2

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