Question: x s e c 2 x d x = x t a n x + C x 2 2 t a n x + C

xsec2xdx=
xtanx+C
x22tanx+C
sec2x+2sec2xtanx+C
xtanx-ln|cosx|+C
xtanx+ln|cosx|+C
what is the answer with these options
x s e c 2 x d x = x t a n x + C x 2 2 t a n x + C

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