what is the integral of sec^2(x)tan^2(x)?

Answer 1

well Im in AP Calculus so I should be able to understand this. im going to use "u" and "du"subtituition.

u=tan x
du= sec^2x dx

therefore (integral of u^2 du)

then take antiderivative so (u^3/3)

i believe answer is( tan^3x/3 + c) i am sure