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A method to extract Wilson coefficients for semi-leptonic $b\rightarrow s$transition and form factors for the hadronic process $B\rightarrowK^*\mu^+\mu^-$ is suggested. The method is based on data of angulardistribution of the process $B\rightarrow K^*(\rightarrow K \pi)\mu^+\mu^-$with the optimized observables plotted as functions of dilepton invariant masssquared. We have constructed plots of the observables using present knowledgeof Wilson coefficients and form factors. Assuming these plots to beexperimental data, we have discussed and used the strategy to determine theform factors and Wilson coefficients. The method is novel as this provides aform-factor-independent determination of Wilson coefficients and also providesa reliable data driven method to extract information about form factors.

Determining Form Factors and Wilson Coefficients using $B\rightarrow K^*\mu^+\mu^-$ data