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Find the minimum value of n for which t...

Find the minimum value of `n` for which `tan^(-1)(n/pi)>pi/4,n in Ndot`

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`tan6-1 n/pi > pi/4`
`alpha > beta`
`tan alpha > tan beta`
`n/pi > 1`
`n> pi`
`n > 3.14`
`n~= 4`
Answer
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