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Find the value of sin30 degree, …

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Find the value of sin30 degree, geometrically

    • Posted by Paramjeet Yadav 7 years, 9 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Utkarsh Rajput 7 years, 9 months ago

    Make a triangle ABC and a altitude in it of 90 degree whic A=30 degree b=60 degree AB=2A and BD=A..then sinA=p/h,,bd/ab=a/2a=1/2 hence proved...these are also given in ncert

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