CBSE

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Show that cot⁡(π4+x)⋅cot⁡(π4−x)=1\cot \left( \frac{\pi}{4} + x \right) \cdot \cot \left( \frac{\pi}{4} - x \right) = 1

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