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1. $\frac{1}{1 + \tan^{2} A} + \frac{1}{1 + \cos^{2} A}$

A. $\frac{1}{\sin A}$
B. $\frac{1}{\sin A}$
C. $\frac{1}{\sin A}$
D. $\frac{1}{\sin A}$

Answer: Option C

Explanation:

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