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