Radians & the Unit Circle REVIEW

Radians & the Unit Circle REVIEW

Assessment

Flashcard

Mathematics

10th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Back

2.

FLASHCARD QUESTION

Front

What is a reference angle?

Back

A reference angle is the acute angle formed by the terminal side of an angle and the x-axis.

3.

FLASHCARD QUESTION

Front

Find the reference angle for -15°.

Back

15°

4.

FLASHCARD QUESTION

Front

What is the measure of the angle -940 degrees?

Back

-940 degrees is coterminal with 140 degrees.

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

What are the negative and positive coterminal angles of -225°?

Back

135°, -585°.

7.

FLASHCARD QUESTION

Front

What is the unit circle?

Back

The unit circle is a circle with a radius of 1 centered at the origin of the coordinate plane.

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