1.

If (cos^(2)x+sec^(2)x)(1+tan^(2)2y)(3+sin3z)=4 then (x,y,z)=

Answer»

`(npi,(MPI)/2,(4k-1)(pi)/6),N,m, K in Z`
`((npi)/2, (mpi)/2, (4k-1)(pi)/2), n, m, k in Z`
`(n pi ,m pi, (2k-1)(pi)/6), n, m, k in Z`
`((npi)/2, (mpi)/2, (2k-1)(pi)/2),n, m, k in Z`

Answer :A


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