11 ) integ [tan 2θ / √cos6θ + sin6θ ] dθ
12 ) integ [ cos2x / (1 + tanx) ] dx
13 ) integ [ { ln (ln (1 + x)/(1 - x) ) ) } / ( 1 - x2 ) ] dx
14 ) integ { [ (x/e)x + (e/x)x ] lnx } dx
11 ) integ [tan 2θ / √cos6θ + sin6θ ] dθ
12 ) integ [ cos2x / (1 + tanx) ] dx
13 ) integ [ { ln (ln (1 + x)/(1 - x) ) ) } / ( 1 - x2 ) ] dx
14 ) integ { [ (x/e)x + (e/x)x ] lnx } dx