Trigonometry
Graph the given polar equation.
r=2cos4θr=2\cos4\thetar=2cos4θ
r=53cosθ−sinθr=\frac{5}{3\cos\theta-\sin\theta}r=3cosθ−sinθ5
Graph the polar equation r2=9sin2θr^2=9\sin2\thetar2=9sin2θ and identify the type of graph it produces.
