  Recently, we have a confidence that neutrino has a tiny mass and mixing does
exist among neutrino flovors as one can see from experimental data that
reported by many collaborations. Based on experimental data that flavor mixing
does exist in neutrino sector which imply that all three mixing angles are
nonzero, we derive the neutrino mass matrix from a cobimaximal neutrino mixing
matrix. We also evaluate the prediction of neutrino mass matrix with texture
zero from a cobimaximal neutrino mixing matrix on neutrino masses and effective
Majorana mass. By using the advantages of experimental data, the obtained
neutrino masses are $m_{1}=0.028188$ eV, $m_{2}=0.029488$ eV, and
$m_{3}=0.057676$ eV, and the effective Majorana mass is
$\left<m_{\beta\beta}\right>=0.09896$ eV that can be tested in future
neutrinoless double beta decay experiments
