lim_(theta rarr pi/2)(sec theta-tan theta)

the value of lim_(x rarr(pi)/(2))(sec theta-tan theta)

Evaluate the following limits : Lim_(theta to pi/2 ) (sec theta - tan theta )

lim_(theta rarr0)(3tan theta-tan3 theta)/(2 theta^(3))

Evaluate the following : lim_(theta rarr 0)(sin3 theta)/(tan2 theta) .

Evaluate the following : lim_(theta rarr 0)(sin4 theta)/(tan3 theta) .

lim_(theta rarr 0) (4 theta(tan theta-sin theta))/(1-cos 2 theta)^2 is

lim_(theta rarr 0)(tan theta - sin theta)/(theta^(3))=

Prove the following identity : sqrt ((1+sin theta)/ (1-sin theta)) = {{:(sec theta+tan theta, if -pi/2 lt theta lt pi/2),( -sec theta-tan theta, if pi/2 lt theta lt (3pi)/2):} .