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Would it hurt to memorize the trig ident in the paint doc?I am

  1. Feb 14, 2012 #1
    Would it hurt to memorize the trig ident in the paint doc?
    I am thinking if I do it will save me some time in the long run with integrating.

    Also, I know i've asked this question before but I can't seem to find my old post... can some one send me a link of important integrals to know, (not the common ones you can find in a book.)
     

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  2. jcsd
  3. Feb 14, 2012 #2

    Mark44

    Staff: Mentor

    Re: memorize...?

    IMO, the only identities worth memorizing are the two for sin2(θ) and cos2(θ). The others can be derived from these two, if needed.
     
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