laalacastro9193 laalacastro9193
  • 08-05-2024
  • Physics
contestada

If (α + β) and (α - β) are the eccentric angles of the points P and Q respectively on the ellipse x²/a² + y²/b² = 1, show that the equation of the chord PQ is x/a * cos(α) + y/b * sin(α) = cos(β).

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