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Find the limits: (a) underset(x to 0)l...

Find the limits:
(a) `underset(x to 0)lim (arc cos (1-x))/sqrtx` (b) `underset(x to pi//4)lim (ln tan x)/(1-cot x)`
(c ) `underset(x to 0) lim(1)/(sin x) ln (1+a sin x)`

Text Solution

Verified by Experts

The correct Answer is:
`(a) sqrt2.`
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