Let the focal chord of the parabola make an angle of with the positive x-axis, where lies in the first quadrant. If the circle, whose one diameter is , being the focus of the parabola, touches the y-axis at the point , then is equal to:
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Let the focal chord of the parabola make an angle of with the positive x-axis, where lies in the first quadrant. If the circle, whose one diameter is , being the focus of the parabola, touches the y-axis at the point , then is equal to:
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