Let P denotes a complex number z=r(costh...

Let `P` denotes a complex number `z=r(costheta+isintheta)` on the Argand's plane, and `Q` denotes a complex number `sqrt(2|z|^(2))(cos(theta+(pi)/(4))+isin(theta+(pi)/(4)))`. If `'O'` is the origin, then `DeltaOPQ` is

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