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A,B,C are interior angle of triangle …

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A,B,C are interior angle of triangle ABC prove that cosec A+B/2 is equal to sec c/2

    • Posted by Diwakar Kumar 6 years, 3 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    ⛩️Singh Empire? (Believe In Study) 6 years, 3 months ago

    LHS=Cosec[(A+B)/2】=cosec[(180-C)/2] =Cosec[90-C/2] =Sec C/2 =RHS

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