# Unit Circle Flashcards

Unit Circle Flashcards
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Use your unit circle knowledge to find:  Got it
Use your unit circle knowledge to find: sin (0)

0

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Use your unit circle knowledge to find: cos (0o)

1

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Give the degree measure of the following: 330o

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Give the degree measure of the following: 300o

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Give the degree measure of the following: 270o

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Give the degree measure of the following: 225o

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Give the degree measure of the following: 150o

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Give the degree measure of the following: 120o

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Give the degree measure of the following: 90o

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Give the degree measure of the following: 45o

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Give the radian measure of the following: 315o Got it
Give the radian measure of the following: 240o Got it
Give the radian measure of the following: 210o Got it
Give the radian measure of the following: 180o Got it
Give the radian measure of the following: 135o Got it
Give the radian measure of the following: 60o Got it
Give the radian measure of the following: 30o Got it
Give the radian measure of the following: 0o

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Unit Circle

A circle with a radius of one.

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66 cards in set

The unit circle is one of the most helpful tools in trigonometry. Memorizing the reference angles along with their corresponding ordered pairs can help a student quickly determine the sine or cosine of the angle measure. For the unit circle to be truly helpful however, a student must be able to bounce back and forth from degrees to radians for each of the 16 reference angles. You will find cards testing this skill along with ordered pair identification and trig questions involving sine and cosine of the reference angles in both units. We suggest you use this set to test yourself for not only accuracy but speed as well. For when you can answer these questions with both, you will get the most out of this handy mathematical tool.

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Unit Circle

A circle with a radius of one.

Give the radian measure of the following: 0o

Give the radian measure of the following: 30o Give the radian measure of the following: 60o Give the radian measure of the following: 135o Give the radian measure of the following: 180o Give the radian measure of the following: 210o Give the radian measure of the following: 240o Give the radian measure of the following: 315o Give the degree measure of the following: 45o

Give the degree measure of the following: 90o

Give the degree measure of the following: 120o

Give the degree measure of the following: 150o

Give the degree measure of the following: 225o

Give the degree measure of the following: 270o

Give the degree measure of the following: 300o

Give the degree measure of the following: 330o

Use your unit circle knowledge to find: cos (0o)

1

Use your unit circle knowledge to find: sin (0)

0

Use your unit circle knowledge to find:  Use your unit circle knowledge to find: sin (30o) Use your unit circle knowledge to find: cos (45o) Use your unit circle knowledge to find:  Use your unit circle knowledge to find:  Use your unit circle knowledge to find: sin (60o) Use your unit circle knowledge to find: 0

Use your unit circle knowledge to find: sin (90o)

1

Use your unit circle knowledge to find: cos (120o) Use your unit circle knowledge to find:  Use your unit circle knowledge to find:  Use your unit circle knowledge to find: sin (135o) Use your unit circle knowledge to find: cos (150o) Use your unit circle knowledge to find:  Use your unit circle knowledge to find: cos (180o)

-1

Use your unit circle knowledge to find: 0

Use your unit circle knowledge to find:  Use your unit circle knowledge to find: sin (210o) Use your unit circle knowledge to find: cos (225o) Use your unit circle knowledge to find:  Use your unit circle knowledge to find:  Use your unit circle knowledge to find: sin (240o) Use your unit circle knowledge to find: 0

Use your unit circle knowledge to find: sin (270o)

-1

Use your unit circle knowledge to find: cos (300o) Use your unit circle knowledge to find:  Use your unit circle knowledge to find:  Use your unit circle knowledge to find: sin (315o) Use your unit circle knowledge to find: cos (330o) Use your unit circle knowledge to find:  Reference Angles

These are given in both radians and degrees on the unit circle. They are the only angles which have trigonometry function answers that can be written in fraction form.

Give the ordered pair for the point shown: (1, 0)

Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown: (0, 1)

Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown: (-1, 0)

Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown: (0, -1)

Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  Give the ordered pair of the point shown:  To unlock this flashcard set you must be a Study.com Member.