Chapter 9: Q 3. (page 774)
Sketch the curves defined by the given sets of parametric equations. Indicate the direction of motion on each curve.
Short Answer
The graph
Chapter 9: Q 3. (page 774)
Sketch the curves defined by the given sets of parametric equations. Indicate the direction of motion on each curve.
The graph
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Get started for freeIn Exercises 24–31 find all polar coordinate representations for the point given in rectangular coordinates.
Each of the integrals or integral expressions in Exercises represents the area of a region in the plane. Use polar coordinates to sketch the region and evaluate the expressions.
in exercise 31-36 find a definite integral that represents the length of the specified polar curve, and then use graphing calculator or computer algebra system to approximate the value of integral
The limacon
In Exercises 32–47 convert the equations given in polar coordinates to rectangular coordinates.
Measurements indicate that Earth’s orbital eccentricity is and its semimajor axis is astronomical units.
(a) Write a Cartesian equation for Earth’s orbit.
(b) Give a polar coordinate equation for Earth’s orbit, assuming that the sun is the focus of the elliptical orbit.
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