Evaluate : `underset(x rarr 0)lim ("cot 2x - cosec 2x")/(x)`

Evaluate: underset(x rarr 0)(lim) x^(sin x)

Evaluate: underset(x rarr 0)lim ((sinx)/x)

Evaluate underset (x rarr 0)lim(cosec x-cot x)

underset(x rarr 0)(lim) (cos 4x - 4 cos 2x + 3)/(x^(4)) =

Evaluate underset(x to 0)lim (cosec x - 1/x) .

Evaulate underset (x rarr 0)Lim (cos 2x-1)/(cos x-1) .

Evaluate underset(x to 0)lim ("cosec "x-cot x) .

Evaluate : underset(xrarr0)"lim"(cosec"x-cotx)/(x)

The value of underset(x rarr 0)lim ""(cot 4x)/("cosec 3x") is equal to a) (4)/(3) b) (3)/(4) c) (2)/(3) d) (3)/(2)