Question

integral definida de π/3 a 0 sec^2x dx ?

Answer 1

$\int\limits^{0}_{ \frac{ \pi }{3}} {sec^2x} \, dx$

∫sec²(x) dx = tg(x) + C

$tg(x)\left[\begin{array}{ccc}0\\\\\frac{ \pi }{3}\end{array}\right$

tg(0) - tg(π/3) = 0 - √3 = -√3