lim_(x rarr(pi)/(2))((1-tan(x)/(2))(1-sin x))/((1+tan(x)/(2))(pi-2x)^(3))=

The value of lim_(x rarr(pi)/(2))({1-(tan x)/(2)}{1-sin x})/({1+(tan x)/(2)}(x-2x)^(3)) equals

lim_(x to (pi)/(2))([1-tan((x)/(2))][1-sinx])/([1+tan((x)/(2))][pi-2x]^(3))=

The value of lim_(x + (pi)/(2)) ({1 - tan (x)/(2)}{1-"sin"x})/({1 + tan (X)/(2)}(pi - 2x)^(3)) equals

lim_(x rarr((pi)/(2)))(1-sin x)tan x=

lim_(x rarr1)(1-x)tan(pi x)/(2)=

lim_(x rarr 1) (1-x) tan((pi x)/2)

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

The value of underset(x -> (pi)/(2))(lim) ({1 - tan (x/2)}{1-"sin"x})/({1 + tan (X/2)}(pi - 2x)^(3)) equals

lim_(x rarr pi/2)(sec x - tan x)=