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Math Help - improper integral

  1. #1
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    improper integral

    pi/2>x>0

    1/sinx dx

    is 1/sinx dx= ln|sinx|?
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  2. #2
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    Quote Originally Posted by questionboy View Post
    pi/2>x>0

    1/sinx dx

    is 1/sinx dx= ln|sinx|?
    do you mean
     \int \frac{1}{\sin x} dx
    if yes
     \int \frac{1}{\sin x} dx =\int \csc x dx= \log {| \csc x- \cot x |} +c
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