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Unit Circle
Unit Circle
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Evaluating Trigonometric functions of unit circle angles. #trigonometry #unitcircle #radians
Flashcards
10 cards
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Practice quiz
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Host live
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Questions
10
Answers
1
What is sin(270
o
)?
-1
undefined
1
0
2
What is tan(45°)?
undefined
-1
1
0
3
What is cos(30°)?
√3/2
1
½
√2/2
4
What is tan(90°)?
undefined
0
-1
1
5
What is sin(30°)?
√3/2
√2/2
1
½
6
What is sin(0°)?
0
undefined
1
-1
7
What is sin(210°)?
-√3/2
√3/2
-½
½
8
What is sin(-45
o
)?
undefined
√2/2
-45
-√2/2
9
What is cos(120°)?
½
-½
√3/2
-√3/2
10
What is cos(180°)?
-1
0
undefined
1
