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Math Help - tan2x

  1. #1
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    tan2x

    if
    find
    then find x
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  2. #2
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    Quote Originally Posted by dapore View Post
    if
    find
    then find x
    Hint:

    \tan{(2\theta)} = \frac{2\tan{\theta}}{1 - \tan^2{\theta}}.
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  3. #3
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    Thank you my friends
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