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  1. Jul 4th, 2006, 06:07 AM #1
    grappler
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    Exclamation plz help

    trigonometry:

    given that sinx= 1/2 find the value of sinx cos(90° - x).

    i don't understand
    Last edited by grappler; Jul 4th, 2006 at 06:13 AM.
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