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Thread: Calculus with trig

  1. #1
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    Calculus with trig

    I've been revising for my exams and the following problems have confused me:
    All are to be differentiated
    3x^2cos^4*2x

    1 + sinx
    1 + cosx

    x
    1 + cos^2x

    If you would be so kind to include your working I would be ever so grateful.
    Thanks in advance
    Mouseman
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  2. #2
    Super Member 11rdc11's Avatar
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    Quote Originally Posted by Mouseman View Post
    I've been revising for my exams and the following problems have confused me:
    All are to be differentiated
    3x^2cos^4*2x

    1 + sinx
    1 + cosx

    x
    1 + cos^2x

    If you would be so kind to include your working I would be ever so grateful.
    Thanks in advance
    Mouseman

    Is the first

    3x^{2\cos^{4}{2x}}
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    Calculus with trig-untitled.jpg
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