" Evaluate "lit_(theta rarr0)(1-cos4 theta)/(1-cos6 theta)

Evaluate lim_(theta rarr 0) (1-cos 4theta)/(1-cos 5theta)

Evaluate the following limit: (lim)_(theta rarr0)(1-cos4 theta)/(1-cos6 theta)

lim_(theta rarr0)(1-cos theta)/(sin^(2)2 theta)

lim_(theta rarr 0) (1-cos theta)/(theta. costheta)=

Evaluate the following : lim_(theta rarr 0)(1-cos 4 theta)/(1-cos 6 theta) .

lim_(theta rarr 0) (1-cos theta)/(theta sin theta) =

Evaluate the following : lim_(theta rarr 0)(1-cos theta)/(1-cos 3 theta) .

Given that lim_(theta rarr 0) (sin theta)/theta = 1 and lim_(theta rarr 0) cos theta = 1 Evaluate lim_(theta rarr pi/2) (cot theta)/(pi/2 - theta)

Evaluate the following limits.(ii) underset (theta rarr 0) ((1-cos mtheta)/(1-cos n theta))

Evaluate :lim_(x rarr0)(1-cos4x)/(x)