Use Symmetry to Graph Polar Equations
-r $\cos \theta = - 4$; the polar axis
A) has symmetry with respect to polar axis
B) may or may not have symmetry with respect to polar axis Graph the polar equation.

Question

Quizplus · Accepted Answer

The equation $r \cos \theta = -4$ can be rewritten as $r = -4 \sec \theta$, which implies that for every point $(r, \theta)$ on the graph, there is a corresponding point $(r, \theta + \pi)$, showing symmetry with respect to the polar axis.

Use Symmetry to Graph Polar Equations -R cos⁡θ=−4\cos \theta = - 4cosθ=−4

Use Symmetry to Graph Polar Equations
-R $\cos \theta = - 4$