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15 August, 00:46

In right triangles ABC, angle A and B are complementary angles. the value of cos a is 5/13 is the value of sin B

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  1. 15 August, 02:08
    0
    We know that

    In a right triangle

    if A and B are complementary angles

    cos A=sin B

    therefore

    if cos A=5/13

    then sin B=5/13

    the answer is

    sin B=5/13
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