Integrales 1. 7 + 2tgx ∫ cos 2 x dx ( 7 + 2tgx )1/ 2 = (7 + 2tgx )1/ 2 1 dx = =∫ ∫ (cos x ) 2 ( cos x )1/ 2 1 / 2 ∫ (7 + 2tgx )1/ 2 * 2 sec 2 xdx = 1 / 2 * = 1 /…
