3 Jun 2022

u=(1+cosx)(1+cos2x)-sinx sin2x and v=sinx(1+cos2x)+sin2x(1+cosx) find u^2 +v^2=?​

 

u=(1+cosx)(1+cos2x)-sinx sin2x and v=sinx(1+cos2x)+sin2x(1+cosx) find u^2 +v^2=?​

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