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Unit Circle Trig Functions Flashcards | StudBud
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Unit Circle Trig Functions
Unit Circle Trig Functions
20 terms
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185 plays
Evaluating Trigonometric functions of unit circle angles. #trigonometry #unitcircle #radians
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
What is the sin(7π/6)?
-√3/2
√3/2
-½
½
2
What is the cos(π)?
-1
1
0
undefined
3
What is the sin(0)?
undefined
-1
0
1
4
What is the sin(π/6)?
√3/2
1
½
√2/2
5
What is the sin(270
o
)?
0
1
-1
undefined
6
csc 225
o
-√2/2
-√2
√2/2
√2
7
sec(8π/3)
-2
-1/2
2
-2√3/3
8
sin(-45
o
)
√2/2
-45
undefined
-√2/2
9
cot(-23π/6)
√3
√3/3
-√3/3
-√3
10
sin(-11π/2)
0
undefined
-1
1
11
sin(-8π/3)
1/2
-√3/2
-1/2
√3/2
12
What is the tan(π/4)?
0
-1
1
undefined
13
csc(2π)
1
undefined
0
-1
14
What is the cos(2π/3)?
-½
-√3/2
½
√3/2
15
csc(π)
1
undefined
-1
0
16
What is the tan(π/2)?
1
-1
0
undefined
17
cot(19π/4)
√2/2
0
1
-1
18
sec(5π)
0
-1
1
undefined
19
What is the cos(π/6)?
1
√2/2
√3/2
½
20
cos 750
o
√3/2
-1/2
1/2
-√3/2
