If \int\frac{\sin nx}{\cos x} dx, then I_n=

Correct Answer is : −2n−1cos(n−1)x−In−2

\frac{-2}{n-1}\cos(n-1)x-I_{n-2}

\frac{-2}{n+1}\sin(n+1)x-I_{n-2}

\frac{-2}{n+1}\cos(n-1)x-I_{n-2}

\frac{2}{n-1}\cos(n-1)x+I_{n-2}

AP EAMCET Engineering 26 Apr 2017 Shift 1 Paper

Section: Mathematics

Question : 75 of 160

Marks: +1, -0

If ∫

sin‌nx

cos‌x

dx, then In=

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