![calculus - Given area of sector and a starting angle from focus of an ellipse, finding angle needed to get area. - Mathematics Stack Exchange calculus - Given area of sector and a starting angle from focus of an ellipse, finding angle needed to get area. - Mathematics Stack Exchange](https://i.stack.imgur.com/Qx6Bv.jpg)
calculus - Given area of sector and a starting angle from focus of an ellipse, finding angle needed to get area. - Mathematics Stack Exchange
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Is there a formula for calculating the area of a sector of an ellipse for an angle anticlockwise from the horizontal axis? : r/learnmath
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