1.

The value of `lim_(xto pi//2)(cot x-cosx)/(pi-2x)^3` isA. `(1)/(2)`B. `(1)/(4)`C. `(1)/(8)`D. `(1)/(16)`

Answer» Correct Answer - D
We have,
` lim_(xtopi//2)(cotx-cosx)/((pi-2x)^3)`
`= lim_(xtopi//2)(tan((pi)/(2)-x)-sin((pi)/2-x))/(8((pi)/(2)-x)^3)=(1)/(8)xx(1)/(2)=(1)/(16)`


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