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The plane ax+by=0 is rotated through an angle α about its line of intersection with the plane z=0. If the equation of plane in new position is ax+by±z√a2+b2tanα+c=0, then the value of c is

Answer» The plane ax+by=0 is rotated through an angle α about its line of intersection with the plane z=0. If the equation of plane in new position is ax+by±za2+b2tanα+c=0, then the value of c is


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