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Thread: Proving Trigonometric identities

  1. April 8th 2009, 03:55 AM #1
    oneway1225
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    Proving Trigonometric identities

    can't figure out how to solve this problem please help



    sec^2(x)+csc^2(x)=sec^2(x)*csc^2(x)
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  2. April 8th 2009, 04:00 AM #2
    ADARSH
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    Quote Originally Posted by oneway1225 View Post
    can't figure out how to solve this problem please help



    sec^2(x)+csc^2(x)=sec^2(x)*csc^2(x)
    \frac{1}{sin^2(x)} + \frac{1}{cos^2(x)}


    =\frac{cos^2(x)+sin^2(x)}{sin^2(x)cos^2(x)}


    Using formula

    sin^2(x) +cos^2(x)=1


    \frac{1}{cos^2(x)sin^2(x)}

    sec^2(x)csc^2(x)
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