Integration with Inverse Trig Functions

AP Calculus AB· difficulty 2/5

11x2dx=\displaystyle\int \dfrac{1}{\sqrt{1-x^2}}\,dx =

  • A

    ln1x2+C\ln|1-x^2| + C

  • B

    arcsinx+C\arcsin x + C

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  • C

    arctanx+C\arctan x + C

  • D

    arccosx+C\arccos x + C

Explanation

arcsin(x)=1/1x2\arcsin'(x) = 1/\sqrt{1 - x^2}.

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