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tan 75° = ?

\frac{1 - \sqrt{3}}{1 + \sqrt{3}}

\frac{\sqrt{3} + 1}{\sqrt{3} - 1}

\frac{\sqrt{3} - 1}{\sqrt{3} + 1}

\frac{1 + \sqrt{3}}{1 - \sqrt{3}}

ANS : 2

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