Find the derivative of f(x)=sec2(x)f(x) = \sec^2(x)f(x)=sec2(x).
2sec2(x)tan(x)2\sec^2(x) \tan(x)2sec2(x)tan(x)
2sec(x)2\sec(x)2sec(x)
sec(x)tan(x)\sec(x) \tan(x)sec(x)tan(x)
2tan2(x)2\tan^2(x)2tan2(x)