The line in Cartesian coordinates can be written as in polar coordinates. Assuming is positive, what is the value of ?
The graph in polar coordinates can be expressed as in Cartesian coordinates, where , and are real numbers. What is the value of ?
Letting vary from to the parametric equations and represent a circle There is a circle that is externally tangent to tangent to the -axis, and centered (in Cartesian coordinates) at What is the value of
If and satisfy and , the graph of is a circle. If the center of this circle is and the radius is , what is the value of ?
Which of the following Cartesian coordinate equations represents the polar equation