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In this work, Higgs couplings with gauge bosons is probed through $e^-e^+\rightarrow W^-W^+H$ in an effective Lagrangian framework. An ILC of 500 $GeV$center of mass energy with possible beam polarization is considered for thispurpose. The reach of ILC with integrated luminosity of 300 $fb^{-1}$ in thedetermination of both the CP-conserving and CP-violating parameters areobtained. Sensitivity of the probe of each of these couplings on the presenceof other couplings is investigated. The most influential couplings parametersare $\bar c_W=-\bar c_B$. Other parameters of significant effect are $\barc_{HW}$ and $\bar c_{HB}$ among the CP-conserving ones, and $\tilde c_{HW}$ and$\tilde c_{HB}$ among the CP-violating ones. CP-violating parameter, $\tildec_\gamma$ seems to have very little influence on the process considered.Detailed study of the angular distributions have presented a way to disentanglethe effect of some of these couplings.

Study of Higgs-gauge boson anomalous couplings through $e^-e^+ \rightarrow W^-W^+H$ at ILC