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Tan48° Tan23° Tan47° Tan67° |
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Answer» -STEP EXPLANATION:Tan48° × Tan23° × Tan47° × Tan67°=> Cot47° × Cot67° × Tan47° × Tan67°Arranging all TOGETHER,=> Cot47° × Tan47° × Cot67° × Tan67°=> (cos47°/sin47°) × (sin47°/cos47°) × (cos67°/sin67°) × (sin67°/cos67°)All will CANCEL among themselves,hence, answer= 1 |
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