2
10. Sketch the graph for
.
11. Sketch the graph for
.
( )
r
= 25cos 2 θ
€
r = 3 − 5sin θ
o
12. Sketch the graph for
r = 5 .
13. Sketch the graph for
.
θ = 120
€
€
€
14. Sketch the graph for
( )
.
15. Sketch the graph for
( )
.
r = 3sin 4 θ
r = 9cos 3 θ
€
€
2
16. Sketch the graph for
r = 2 /sin θ .
17. Sketch the graph for
= 4 sin2 θ .
r
€
€
18. In general, what effect do sine and cosine have on polar graphs?
19. Write the general polar equations for the conic sections, line, circle, Cardioid, rose,
lemniscate, limacon, and spiral. Note any unique characteristics.