06:43
Calculus: Early Transcendentals
(a) Set up an integral for the area of the surface obtained by rotating the curve about (i) the x-axis and (ii) the y-axis.
(b) Use the numerical integration capability of a calculator to evaluate the surface areas correct to four decimal places.
$ y = \tan x $ , $ 0 \le x \le \frac{\pi}{3} $