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Duplicate of Unit Circle Trig Functions Flashcards | StudBud
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Duplicate of Unit Circle Trig Functions
Duplicate of Unit Circle Trig Functions
10 terms
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StudBud Administration
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41 plays
Evaluating Trigonometric functions of unit circle angles. #trigonometry #unitcircle #radians
Flashcards
10 cards
F
Practice quiz
P
Host live
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Questions
10
Answers
1
What is the cos(2π/3)?
-√3/2
-½
½
√3/2
2
What is the cos(π/6)?
√3/2
√2/2
1
½
3
What is the tan(π/4)?
-1
0
1
undefined
4
sin(-45
o
)
-√2/2
-45
√2/2
undefined
5
What is the tan(π/2)?
1
-1
0
undefined
6
What is the sin(0)?
1
undefined
-1
0
7
What is the cos(π)?
-1
0
1
undefined
8
What is the sin(270
o
)?
-1
undefined
0
1
9
What is the sin(7π/6)?
-½
√3/2
-√3/2
½
10
What is the sin(π/6)?
1
½
√3/2
√2/2
