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Integration Sin (2tan inverse)dx/(1+xsquare)

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Integration Sin (2tan inverse)dx/(1+xsquare)

    • Posted by Anu Sharma 6 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Tanmay Chandorkar 6 years, 1 month ago

    Take tan^-1x as =t then integrate t We get dt/dx=1/1+x^2 then, dx/1+x^2 =dt Now substitue in original eq. I.e. 2 tan^-1 dx/1+x^2 = 2 t ×dt Integrate it ; = 2 t^2/2 = t^2= (tan^-1 x)^2, ans.

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