lim_(x rarr pi)sgn[tan x]

lim_(x rarr pi)(tan x)/(pi-x)......

Evaluate the following limit : lim_(x rarr pi/2)(tan 2x)/(x-pi/2) .

Evaluate the following limits:- lim_(x rarr pi/2)(tan 2x)/(x-pi/2)

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

if L=lim_(x rarr pi)(tan(pi cos^(2)x))/((x-pi)^(2)) then (L)/(pi) is equal to:

For alpha>0, let lim_(x rarr pi)(tan2x)/(x-pi)=lim_(x rarr0)((1-cos2 alpha x)^(2))/(x^(4)) then alpha is equal to

For a in R^(+) such that lim_(x rarr0)(1-cos ax)/(x^(2))=lim_(x rarr pi)(sin x)/(pi-x) then a=

For a in R^(+) such that lim_(x rarr0)(1-cos ax)/(x^(2))=lim_(x rarr pi)(sin x)/(pi-x) then the value of a is

Evaluate lim_(x rarr 0) (tan x)/x

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