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10 April, 16:57

If sin 25° = cos (y+50°), find y

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  1. 10 April, 18:05
    0
    15 deg

    Step-by-step explanation:

    Sine and cosine are co-functions, so

    sin x = cos (90 - x)

    sin 25 = cos (90 - 25)

    sin 25 = cos 65

    y + 50 = 65

    y = 15
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