Chapter 8 - Polar Coordinates; Vectors - Section 8.2 Polar Equations and Graphs - 8.2 Assess Your Understanding - Page 606: 65

See graphs, $(1+\frac{\sqrt 2}{2},\frac{\pi}{4}),(1-\frac{\sqrt 2}{2},\frac{5\pi}{4})$

See graphs for $r=1+sin(\theta) $ and $r=1+cos(\theta) $. We can find the intersects as $(1+\frac{\sqrt 2}{2},\frac{\pi}{4}),(1-\frac{\sqrt 2}{2},\frac{5\pi}{4})$ in polar coordinates.