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If f(x)=(sqrt(2)cosx-1)/(cotx-1),x!=(pi)...

If `f(x)=(sqrt(2)cosx-1)/(cotx-1),x!=(pi)/(4)`. Then, find value of `f((pi)/(4))`, so that f(x) becomes continuous at `x=(pi)/(4)`.

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The correct Answer is:
`1/2`
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