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26 August, 10:29

If tan b = 40/9, then sin b = ?

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  1. 26 August, 11:41
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    40/41

    Step-by-step explanation:

    Tangent is opposite over adjacent, and sine is opposite over hypotenuse. We can find hypotenuse from Pythagorean, which gets us 41 as the hypotenuse. Therefore sin b = 40/41.
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