Answer this question ,,

Solution :

\lim_{x \to 0} x \tan (\frac{π}{2} - x) = \lim_{x \to 0} x \cot x = \lim_{x \to 0} x \times \frac{\cos x}{\sin x} = \frac{\lim_{x \to 0} \cos x}{\lim_{x \to 0} (\frac{\sin x}{x})} = \frac{\cos 0}{1} = \frac{1}{1} = 1

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