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Math Help - Finding Critical points of function

  1. #1
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    Finding Critical points of function

    10sin(5 x) cos(5 x)-5 sin(5 x) is the the deritive of the function sin^2 5x + cos 5x , 0<x<2pie/5
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  2. #2
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    That is correct. Are you asking how to set the derivative equal to zero?

    If this is your question, then you can factor out 5sin(5x), and set each factor to zero.

    If you want details let me know.
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