1.

If 2tan theta-cot theta=-1 then theta=______

Answer»

`NP-(PI)/4,npi+TAN^(-1)(1/2), n INZ`
`npi+(pi)/4, n pi +tan^(-1)(1/2), ninZ`
`npi-(pi)/4, npi-tan^(-1)(1/2), ninZ`
`npi+(pi)/4, n pi-tan^(-1)(1/2),n in Z`

Answer :A


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