1.

If cot(x//2) - cosec (x //2) = cot xthen x =

Answer»

`x = 4 n pi pm (2PI)/(3), n in Z`
`n pi pm (2 pi)/(3), n in Z`
`(2 n + 1) (pi)/(2)+ (pi)/(2), n in Z`
`n pi pm (pi)/(3), n in Z`

ANSWER :A


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