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Evaluate : Tan 40°× tan 50°

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Evaluate : Tan 40°× tan 50°

    • Posted by Ñøbïtã Ñøbïtã 4 years, 8 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Bhoomika Verma 4 years, 8 months ago

    Sorry isske equal 1 nahi h muje laga ki 1 isske equal m de rkha h...........so..tan(90°-50°)×tan50°..... cot50°tan50°.....1

    0Thank You

    Bhoomika Verma 4 years, 8 months ago

    Tan(90°-50°)×Tan50°=1 Cot50°×tan50°=1 1=1 Hence proved

    0Thank You

    Vivek Yadav 4 years, 8 months ago

    Khud try karka dekho aasan h nikal jayga

    0Thank You

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    Posted by Hari Anand 3 months ago

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