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Math Help - Sum and difference identities

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    Sum and difference identities

    Question sin 132
    please solve in steps
    thank you very much
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  2. #2
    Senior Member mollymcf2009's Avatar
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    Quote Originally Posted by mj.alawami View Post
    Question sin 132
    please solve in steps
    thank you very much
    sin(132) =sin (88 + 44) = sin(88)cos(44) + cos(88)sin(44)

    That is just one possibility. You could also use sin (22+110) and others.
    Last edited by mollymcf2009; February 9th 2009 at 10:17 PM.
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