# Parametric Equations and Polar Coordinates

### Problems

Problem : Given a point in rectangular coordinates (x, y) , express it in polar coordinates (r, θ) two different ways such that 0≤θ < 2Π : (x, y) = (1,) .

Problem : Given a point in rectangular coordinates (x, y) , express it in polar coordinates (r, θ) two different ways such that 0≤θ < 2Π : (x, y) = (- 4, 0) .

Problem : Given a point in rectangular coordinates (x, y) , express it in polar coordinates (r, θ) two different ways such that 0≤θ < 2Π : (x, y) = (- 7, - 7) .

Problem : Given a point in polar coordinates (r, θ) , express it in rectangular coordinates (x, y) : (r, θ) = (3,) .

Problem : Given a point in polar coordinates (r, θ) , express it in rectangular coordinates (x, y) : (r, θ) = (1,) .

Problem : Given a point in polar coordinates (r, θ) , express it in rectangular coordinates (x, y) : (r, θ) = (0,) .

Problem : How many different ways can a point be expressed in polar coordinates such that r > 0 ?

Problem : How many different ways can a point be expressed in polar coordinates such that 0≤θ < 2 ?

## Take a Study Break

### Star Trek gets SEXY

Chris Pine and Zoe Saldana heat up the red carpet!

### Are you afraid of relationships?

Auntie SparkNotes can help!

### Sexy starlet style

See every single look from the Met Gala!

### Geeky Actors: Then and Now

Travel back in time!

### 10 Movies Better Than Their Books

What do you think?

### How To Look Like J-Law...

When you don't look like J-Law.

### 12 Scientific Inaccuracies in Into Darkness

What did Star Trek get wrong?

### Villains We Want These Actresses to Play

From super cute to super bad!

## The Book

### Read What You Love, Anywhere You Like

Get Our FREE NOOK Reading Apps