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1. $\tan θ = b$

A. $\frac{1 + b^{2}}{1 - b^{2}}$
B. $\frac{1 + b^{2}}{1 - b^{2}}$
C. $\frac{1 + b^{2}}{1 - b^{2}}$
D. $\frac{1 + b^{2}}{1 - b^{2}}$

Answer: Option C

Explanation:

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