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Math Help - Integration

  1. #1
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    Integration

    Integrate

    (cos 3x \sqrt_(sin3x)) dx
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  2. #2
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    Pretty standard: let u= sin(3x).
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    Sorry but can you further explain? I don't really get you...
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    Quote Originally Posted by txh26 View Post
    Sorry but can you further explain? I don't really get you...
    Halls is referring to the method of integration by substitution ... you should be familiar with the method if you were given this particlar problem.
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