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Evaluate :Tan 40°× tan 50° |
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Answer» Sorry isske equal 1 nahi h muje laga ki 1 isske equal m de rkha h...........so..tan(90°-50°)×tan50°..... cot50°tan50°.....1 Tan(90°-50°)×Tan50°=1Cot50°×tan50°=1 1=1Hence proved Khud try karka dekho aasan h nikal jayga |
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