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Thread: trigonomic identities

  1. January 21st 2010, 01:40 PM #1
    rookster101
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    trigonomic identities

    i cant seem to solve the following identity.
    (1+sin2x)/cos2x = cos2x/(1-sin2x)
    any help would be greatly appreciated
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  2. January 21st 2010, 02:04 PM #2
    skeeter
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    Quote Originally Posted by rookster101 View Post
    i cant seem to solve the following identity.
    (1+sin2x)/cos2x = cos2x/(1-sin2x)
    any help would be greatly appreciated
    start by doing this to the left side ...

    \frac{1+\sin(2x)}{\cos(2x)} \cdot \frac{1-\sin(2x)}{1-\sin(2x)}
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