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A point in polar coordinates is given as . What are its rectangular coordinates?
Transform the given rectangular equation into a polar equation expressing in terms of .
Graph the polar equation and identify the type of graph it produces.
Given the parametric equations x=4cos(t)−4 and y=4sin(t)+4 for t [0,2π], graph the corresponding curve. What is the rectangular equation of this curve?
Write the corresponding rectangular equation for the following parametric equation by eliminating . Draw a graph of the plane curve using the rectangular equation. Indicate the direction of the curve that is obtained by using arrows that correspond to the increasing values of .
Determine the set of parametric equations for the hyperbola with vertices at and , and foci at and .
Perform the indicated operations on the following complex numbers and express the answer in standard form.
(4 - 3i)(- 5 - 7i)
Plot the given complex number on a graph. Express the complex number in the polar form.
-12 + 5i
Divide the following complex numbers (z1/z2) and express the final answer in polar form. Ensure that for the final answer, 0° ≤ θ ≤ 360°.
z1 = cos 65° + i sin 65°
z2 = cos 315° + i sin 315°
Determine all the complex roots for the given complex number. Express the complex roots in the polar form using angles in degrees.
The complex square roots of 36(cos 60° + i sin 60°)