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23 January, 20:49

If sin (y degrees) = cos (x degrees), which of the following statements is true?

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  1. 23 January, 22:35
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    Angle y and Angle x are complementary angles

    Step-by-step explanation:

    we know that

    If

    sin (y°) = cos (x°)

    then

    Angle y and Angle x are complementary angles

    so

    ∠y+∠x=90°

    ∠x=90°-∠y

    sin (y°) = cos (90°-y°)

    therefore

    The sine of an angle is equal to the cosine of its complementary angle
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