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In triangle ABC ,right angle triangle …

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In triangle ABC ,right angle triangle atB,AB=24cm ,BC=7cm Determine (1) SinA,CosA

    • Posted by Mohd Ruman 7 years, 1 month ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Yogita Ingle 7 years, 1 month ago

    AB = 24cm , BC = 7cm
    In triangle ABC, right angle at B
    AC2 = AB2 + BC2
    AC2 = (24)2 + (7)2
    AC2 = 576 + 49
    AC2 = 625
    AC = 25
    Sin A = 7/25
    Cos A = 24/25

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