Re: Area of ellipse between major axis and ray through focus, given angle

*To*: mathgroup at smc.vnet.net*Subject*: [mg71685] Re: Area of ellipse between major axis and ray through focus, given angle*From*: "Narasimham" <mathma18 at hotmail.com>*Date*: Sun, 26 Nov 2006 03:49:23 -0500 (EST)*References*: <ek96ij$fd5$1@smc.vnet.net>

Kelly Jones wrote: > 1) an ellipse with eccentricity "ec", one focus on the origin, and the major axis along the x-axis > 2) a ray through the origin at angle theta to the x-axis > What Mathematica function gives the relation/inverse relation between > the angle theta and the area of the ellipse between the x-axis and the ray? (In the previous post I was referring to the well known Kepler's Equation,which should be studied at first.) Narasimham