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Math Help - cos/sin antiderivatives!

  1. #1
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    cos/sin antiderivatives!



    I have a problem with the 5 in front of sin! I am trying to get the first derivative of f(x) and I have 3x^2-___cos__x. Is there supposed to be a number? Or am i second guessing myself?
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  2. #2
    MHF Contributor kalagota's Avatar
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    Quote Originally Posted by MathNeedy18 View Post


    I have a problem with the 5 in front of sin! I am trying to get the first derivative of f(x) and I have 3x^2-___cos__x. Is there supposed to be a number? Or am i second guessing myself?
    yes, there is.. note that 5 is a constant and it can go out of the integral.. so for that part, it should be -5cos x..
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