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Consider the system of linear equations in `x , ya n dz :` `""(sin3theta)x-y+z=0(cos2theta)x+4y+3z=0` `3x+7y+7z=0` Which of the following can be the value of `theta` for which the system has a non-trivial solution `npi+(-1)^npi/6,AAn in Z` `npi+(-1)^npi/3,AAn in Z` `npi+(-1)^npi/9,AAn in Z` none of these

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