Consider the function f(t)=2sec^2(t)–10t^3. Let F(t) be the antiderivative of f(t) with F(0)=0.

Then F(2)

my problem is i get
2tan(t)-5/2t^4+c

i plug in 2 and don't get the right answer please help

is your calculator set to radians ?

did you get tan (2) = -2.185 ?