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A chord is a normal to a parabola and is inclined at an angle to the axis; prove that the area of the triangle formed by it and the tangents it its extermites is 4a2sec3θcosec3θ |
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Answer» A chord is a normal to a parabola and is inclined at an angle to the axis; prove that the area of the triangle formed by it and the tangents it its extermites is 4a2sec3θcosec3θ |
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