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What does tan px and tan qx mean?

  1. Jun 3, 2009 #1
    Can somebody explain what does tan px and tan qx mean?

    The problem is:

    lim as x goes to 0 tan px / (tan qx)

    I know its a calculus problem but I want to know what those trigonometric expressions are first
  2. jcsd
  3. Jun 3, 2009 #2


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    p and q are presumably just some real numbers. If you know what tan(x) is, then you should know what tan(px) is.
  4. Jun 3, 2009 #3


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    Gold Member

    I agree, they're probably just variables since functions sound unlikely.
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