Evaluate `lim_(x->pi) (1+cosx)/(pi-x)`

Evaluate : lim_(x->0) (1-cosx)/x

Evaluate lim_(x to pi)((1+cosx)/(tan^(2)x)).

Consider a function, f(x)=2/3ln^(3/2) (sinx+cosx) for x in (0,pi/2) The value of Lim_(x->pi/2) f(x)/(pi/2-x)^(3/2)

lim_(x rarr pi)(sin x)/(pi-x)=

Evaluate lim_(xrarr(pi)/(2))(cosx)/(((pi)/(2)-x)).

Evaluate : lim_ (x -> 0 ) ((cosx - 1)) /x

Evaluate : lim_ (x -> 0 ) ((cosx - 1)) /x

Evaluate lim_(xto pi) (sin^(-1)(1+cosx).sec((x)/(2)))/((x-pi)).

Evaluate, lim_(xto(pi//4)) (sinx-cosx)/(x-pi/4)

Evaluate lim_(xto (pi^(-))/(2)) (cosx)^(cosx).