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    Why god? why me?

    ! You made me remember my algebra teacher :smile: When I asked: "Where do logarithms come from? Why are they so important? ". He simply repeated the definition of logarithms :surprised :surprised . Then was the time I really hated math, because I thought math is created just to bother...
  2. O

    Why god? why me?

    e: The Story of a Number The book can be a good help for you. Here you can read the first chapter : http://pup.princeton.edu/chapters/s5342.html
  3. O

    Self taught calculus?

    You can see some pages of the books here : www.amazon.com
  4. O

    Self taught calculus?

    An idiot even can't spell " calculus ". That's just a trade mark. :tongue2: :yuck: :biggrin:
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    Self taught calculus?

    I think "The complete idiot's guide to calculus" is exactly what you need. You can go to Kelly's website www.calculus-help.com and become familiar with the way Micheal Kelly, teaches calculus.
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    Integrating tan(x)

    Today I was reading my favorite calculus textbook, that saw the integration formula for tan(x). It was : Integral of tan(x) = -ln|cosx| + C . I know that when we say integral of tanx we mean, what is the function whose derivative is tanx. So started to take the derivative of -ln |cosx|, in...
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