Find the integral of tan(x)^(2)sec(x)^(2)dx.

A) ∫tan(x)^(2)sec(x)^(2)dx
B) ∫tan(x)^(2)sec(x)^(2)dx
C) ∫tan(x)^(2)sec(x)^(2)dx
D) ∫tan(x)^(2)sec(x)^(2)dx