- #1

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y=sec x, y=1, x=-1, x=1, about the x-axis

what I did:

[tex]A(x)= \frac{ \pi}{(cosx)^2}[/tex]

and then I integrated from -1 to 1...(my integral came out to [tex]\frac{-1}{sinx}[/tex])

and I got an answer that came out negative..

can anyone help?