Question

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

Answer 1

Given:

`\frac{cos\text{ }x}{1-sin\text{ }x}`

The only acceptable first step in simplifying the expression from the options that would not change or alter the values of the expression is by multiplying (1 + sin x) to both the numerator and the denominator.

Therefore, the correct answer is OPTION B.