The Unit Circle

The Unit Circle

Assessment

Flashcard

Mathematics

11th Grade

Hard

CCSS
HSF.TF.A.2

Standards-aligned

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the unit circle?

Back

The unit circle is a circle with a radius of 1 unit centered at the origin (0,0) in the coordinate plane.

Tags

CCSS.HSF.TF.A.2

2.

FLASHCARD QUESTION

Front

What are the coordinates of the point on the unit circle at 0°?

Back

(1, 0)

Tags

CCSS.HSF.TF.A.2

3.

FLASHCARD QUESTION

Front

What are the coordinates of the point on the unit circle at 90°?

Back

(0, 1)

Tags

CCSS.HSF.TF.A.2

4.

FLASHCARD QUESTION

Front

What are the coordinates of the point on the unit circle at 180°?

Back

(-1, 0)

Tags

CCSS.HSF.TF.A.2

5.

FLASHCARD QUESTION

Front

What are the coordinates of the point on the unit circle at 270°?

Back

(0, -1)

Tags

CCSS.HSF.TF.A.2

6.

FLASHCARD QUESTION

Front

In which quadrants is cosθ positive?

Back

In the 1st and 4th quadrants.

Tags

CCSS.HSF.TF.A.2

7.

FLASHCARD QUESTION

Front

In which quadrants is sinθ positive?

Back

In the 1st and 2nd quadrants.

Tags

CCSS.HSF.TF.A.2

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