f(x) = [sin(cosx) - cosx] / (Π-2x)² , x is not Π/2

k ,x=Π/2

is continuos at x= Π/2 then k is equal to ?

f(x) is continuous at x=pi/2   so left hand limit is equal to right hand limit is equal to value of function at given pt

   so the left hand limiting value is found by applying L-Hopital''s rule three times.....the limit value is equal to k

it is functional value