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Unit Circle Quiz 2 Flashcards | StudBud

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Unit Circle Quiz 2

10 terms·StudBud Administration·43 plays

Evaluating Trigonometric functions of unit circle angles. #trigonometry #unitcircle #radians

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Questions 10

Answers

1
What is the sin(7π/4)?
1
-√2/2
-1
0
2
What is the cos(7π/6)?
0
1
undefined
-√3/2
3
sin(2π)
√2/2
-45
undefined
0
4
Give all answers where 0 ≤ Θ ⩽ 2Π. sinΘ = -1/2?
7Π/6 and 11Π/6
5Π/6
7Π/6
5Π/6 and 11Π/6
5
What is the sin(4π/3)?
undefined
-√3/2
0
1
6
What is the cos(5π/6)?
½
√3/2
-√3/2
-½
7
Give all answers where 0 ≤ Θ ⩽ 2Π. cosΘ = -√3/2?
7Π/6
4Π/3
2Π/3 and 4Π/3
5Π/6 and 7Π/6
8
What is the cos(3π/2)?
0
undefined
-1
1
9
What is the tan(π/2)?
undefined
0
1
-1
10
What is the cos π?
-1
½
-√3/2
√3/2