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 Sujet: polar coordinates
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 r=10cos(t) in cylindrical coordinates 2013-05-18 r.m pose la question :question from calculus exam: what is the figure obtained having eqn.r=10cos(t) in cylinderical coordinates? i know it is a cylinder with center (5,0) ,but can't the equation represent two cylinders ,one with center (5,0) and the other with center (-5,0). thanks for any help.Penny Nom lui répond. Polar coordinates 2010-04-14 Lan pose la question :Given the rectangular equation (x^2)+2x+(y^2)+y=0, find the polar equation.Harley Weston lui répond. Integration of cos (x^2+y^2) dx dy 2010-02-12 anna pose la question :How do you evaluate the integration of integration of cos (x^2+y^2) dx dy?Tyler Wood lui répond. Three points on the circumference of a circle 2007-07-30 Bharathi pose la question :given a circle with radius r and a point x,y on its circumference,output two other points x1,y1 and x2,y2 on the circle so thar all 3 points form a equilateral triangle.Stephen La Rocque lui répond. Polar to Cartesian coordinates 2006-01-15 Linden pose la question :How do you convert six units at 30 degrees Polar Coordinate into a Cartesian Coordinate?Penny Nom lui répond. A triangle in the complex plane 2003-07-10 Scott pose la question :The vertices O and A of an EQUILATERAL triangle OAB in the complex plane are located at the origin and 3 + 3i. Find all possible values for the complex number representing the vertex B. Give the location of B in both polar and cartesian form (to 2.d.p)Penny Nom lui répond. Polar coordinates 2000-02-24 Tran Trung pose la question :How do I convert r = 2/(2sin(theta) - 3cos(theta)) to rectangular and x2 + y2 -2y = 0 to polar form?Harley Weston lui répond. A valentines project 2000-02-21 Courtney Dohoney pose la question :I was assigned a valentines project. Our job is to make a valentines card that has a math theme. On my valentines card I would like to include the set of equations that when graphed look like a heart. If you can figure out a set of equations and get it back to me I would be very happy.Harley Weston lui répond. A Polar Plot 1999-05-06 Irene pose la question :Consider the polar equation r=2-3Cos(theta/2) In the interval [o, 4Pi], how would you find the area of one of the leaves and also the length of one of the edges of a leaf?Harley Weston lui répond. Complex numbers/polar coordinates 1999-03-25 Kate Cegelis pose la question :What is the relationship between complex numbers and polar coordinates?Harley Weston lui répond.

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