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

Which of the following would be an acceptable first step in simplifying the expression-example-1

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Solution:

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.

Which of the following would be an acceptable first step in simplifying the expression-example-1
User Norka
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