lim_(x rarr0)(sqrt(1-cos2x))/(x)

lim_(x rarr0)(sqrt(1-cos2x))/(2x) is equal to =

lim_(x rarr0)(sqrt((1-cos2x)/(2)))/(x)

lim_(x rarr0)(sqrt(1-cos2x))/(sqrt(2)x)

lim_(x rarr 0) (sqrt(1-cos 2x))/(sqrt(2)x) is :

lim_(x rarr0)(sqrt(1-cos x^(2)))/(1-cos x)=

lim_(x rarr0)(1-sqrt(cos x))/(x^(2))

lim_(x rarr0)sqrt(x)=

lim_(x rarr0)((sqrt(1+x)-1)/(x))

a=lim_(x rarr0)(ln(cos2x))/(3x^(2)),b=lim_(x rarr0)(sin^(2)2x)/(x(1-e^(x))),c=lim_(x rarr1)(sqrt(x)-x)/(ln x)