Lim x tends to pi 2 pi 2
- lim x tends to pi 2 1 /( x pi 2 2
- lim x tends to pi 2 cotx pi 2 x
- lim x tends to pi 2 xtanx pi 2 secx
- lim x tends to pi 2 x pi 2 cosx
- lim x tends to pi 2 log x pi 2 )/ tanx
- lim x tends to pi 2 1 sinx /( pi 2 x 2
- lim x tends to pi 2 cotx cosx /( pi 2 x 3
- lim x tends to pi 2 tan2x x pi 2
- lim x tends to pi 2 pi 2 x tanx
