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The Unit Circle

The Unit Circle

Assessment

Flashcard

Mathematics

10th - 12th Grade

Practice Problem

Hard

CCSS
HSF.TF.A.2

Standards-aligned

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the Unit Circle?

Back

A circle with a radius of 1 centered at the origin (0,0) in the coordinate plane, used to define trigonometric functions.

Tags

CCSS.HSF.TF.A.2

2.

FLASHCARD QUESTION

Front

What are the coordinates of the point at 0° on the Unit Circle?

Back

(1, 0)

Tags

CCSS.HSF.TF.A.2

3.

FLASHCARD QUESTION

Front

What are the coordinates of the point at 90° on the Unit Circle?

Back

(0, 1)

Tags

CCSS.HSF.TF.A.2

4.

FLASHCARD QUESTION

Front

What are the coordinates of the point at 180° on the Unit Circle?

Back

(-1, 0)

Tags

CCSS.HSF.TF.A.2

5.

FLASHCARD QUESTION

Front

What are the coordinates of the point at 270° on the Unit Circle?

Back

(0, -1)

Tags

CCSS.HSF.TF.A.2

6.

FLASHCARD QUESTION

Front

What is sin θ in terms of the Unit Circle?

Back

The y-coordinate of the point on the Unit Circle corresponding to angle θ.

Tags

CCSS.HSF.TF.A.2

7.

FLASHCARD QUESTION

Front

What is cos θ in terms of the Unit Circle?

Back

The x-coordinate of the point on the Unit Circle corresponding to angle θ.

Tags

CCSS.HSF.TF.A.2

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