
Differential Calculus
- lt x tends to pi/2
2xtanx-pi/cosx - lt x tends pi/2
xtanx-pi/2secx 3 lt x tends to 0 (sin(a+3h)-3sin(a+2h)+3sin(a+h)-sina)/h3
- lt x tends to pi/2
2xtanx-pi/cosx
- lt x tends pi/2
xtanx-pi/2secx
3 lt x tends to 0
(sin(a+3h)-3sin(a+2h)+3sin(a+h)-sina)/h3




