Unit Circle Trigonometry Quiz

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What is the equation representing the unit circle?

$x^2 + y^2 = 1$ (correct)

$x^2 + y^2 = 0$

$x^2 - y^2 = 1$

$x^2 - y^2 = 0$

What is the name for the interior of the unit circle?

Unit cylinder

Open unit disk (correct)

Closed unit disk

Unit sphere

What are the lengths of the legs of a right triangle formed by a point (x, y) on the unit circle?

x and y

|x| and y

x and |y|

|x| and |y| (correct)

What is the interior of the unit circle combined with the unit circle itself called?

Closed unit disk Signup and view all the answers

What is the reflection property of points on the unit circle?

The reflection of any point on the unit circle about the x- or y-axis is also on the unit circle Signup and view all the answers

What is the equation representing the unit circle?

$x^2 + y^2 = 1$ Signup and view all the answers

What is the interior of the unit circle combined with the unit circle itself called?

Closed unit disk Signup and view all the answers

If (x, y) is a point on the unit circle's circumference, what are the lengths of the legs of a right triangle whose hypotenuse has length 1?

|x| and |y| Signup and view all the answers

What is the name for the interior of the unit circle?

Open unit disk Signup and view all the answers

What is the reflection of any point on the unit circle about the x- or y-axis also on the unit circle called?

Reflection property Signup and view all the answers

Unit Circle Trigonometry Quiz

Podcast Beta

Questions and Answers

What is the equation representing the unit circle?

What is the name for the interior of the unit circle?

What are the lengths of the legs of a right triangle formed by a point (x, y) on the unit circle?

What is the interior of the unit circle combined with the unit circle itself called?

What is the reflection property of points on the unit circle?

What is the equation representing the unit circle?

What is the interior of the unit circle combined with the unit circle itself called?

If (x, y) is a point on the unit circle's circumference, what are the lengths of the legs of a right triangle whose hypotenuse has length 1?

What is the name for the interior of the unit circle?

What is the reflection of any point on the unit circle about the x- or y-axis also on the unit circle called?

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