1.

If 4 cot 2 theta=cot^(2)theta-tan^(2)theta then theta=

Answer»

`npi+-(PI)/6, NIN Z`
` n pi +-(pi)/3, n in z`
`n pi +-(pi)/4, n inZ`
`(2n+1)+-(pi)/2, n in Z`

Answer :C


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