Polar Coordinate Symmetry

Which point represents (-4, π/2)

• D

• C

• B

• A

Describe the symmetry of the polar curve.

r = 7 cos 4θ

• All symmetries

• Over polar axis

• Over θ=π/2

• Pole

Describe the symmetry of the polar curve.

r = 6 cos θ

• All symmetries

• Over polar axis

• Over θ=π/2

• Pole

Which equation represents the polar graph?

• r = sin θ

• r = sin 4θ

• r = 4 sin θ

• r = 4 cos θ

Find the polar coordinates of the rectangular point. (0,3)

• (3,π)

• (3,0)

• (3,π/2)

• (3,-3π/2)

• A
• B
• C
• D

Which equation represents the polar graph?

• r = sin 4θ

• r = 6 sin 2θ

• r = 6 cos 2θ

• r = cos 4θ

• POLAR FORM

• RECTANGULAR FORM

When plotting polar points, if the angle is positive, then measure the angle from the polar axis in a...

• counterclockwise direction

• directly towards the vertical line

• clockwise direction

• depending on if the number is odd or even

Covert the rectangular equation to polar form

• r² = 81

• r = 3

• r = 4.5

• r sin θ = 9