Unit Circle
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trig functions on the unit circle
Last updated 7:23 PM on 1/29/23
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112 Terms
1
New cards
cos(π/3)
1/2
2
New cards
sin(π/3)
√3/2
3
New cards
tan(π/3)
√3
4
New cards
sec(π/3)
2
5
New cards
csc(π/3)
2√3/3
6
New cards
cot(π/3)
√3/3
7
New cards
cos(π/4)
√2/2
8
New cards
sin(π/4)
√2/2
9
New cards
tan(π/4)
1
10
New cards
sec(π/4)
√2
11
New cards
csc(π/4)
√2
12
New cards
cot(π/4)
1
13
New cards
cos(π/6)
√3/2
14
New cards
sin(π/6)
1/2
15
New cards
tan(π/6)
√3/3
16
New cards
sec(π/6)
2√3/3
17
New cards
csc(π/6)
2
18
New cards
cot(π/6)
√3
19
New cards
cos(π/2)
0
20
New cards
sin(π/2)
1
21
New cards
tan(π/2)
undefined
22
New cards
sec(π/2)
undefined
23
New cards
csc(π/2)
1
24
New cards
cot(π/2)
undefined
25
New cards
cos(2π/3)
-1/2
26
New cards
sin(2π/3)
√3/2
27
New cards
tan(2π/3)
-√3
28
New cards
sec(2π/3)
-2
29
New cards
csc(2π/3)
2√3/3
30
New cards
cot(2π/3)
-√3/3
31
New cards
cos(3π/4)
-√2/2
32
New cards
sin(3π/4)
√2/2
33
New cards
tan(3π/4)
-1
34
New cards
sec(3π/4)
-√2
35
New cards
csc(3π/4)
√2
36
New cards
cot(3π/4)
-1
37
New cards
cos(5π/6)
-√3/2
38
New cards
sin(5π/6)
1/2
39
New cards
tan(5π/6)
-√3/3
40
New cards
sec(5π/6)
-2√3/3
41
New cards
csc(5π/6)
2
42
New cards
cot(5π/6)
-√3
43
New cards
cos(π)
-1
44
New cards
sin(π)
0
45
New cards
tan(π)
0
46
New cards
sec(π)
-1
47
New cards
csc(π)
undefined
48
New cards
cot(π)
undefined
49
New cards
cos(7π/6)
-√3/2
50
New cards
sin(7π/6)
-1/2
51
New cards
tan(7π/6)
√3/3
52
New cards
sec(7π/6)
-2√3/3
53
New cards
csc(7π/6)
-2
54
New cards
cot(7π/6)
√3
55
New cards
cos(5π/4)
-√2/2
56
New cards
sin(5π/4)
-√2/2
57
New cards
tan(5π/4)
1
58
New cards
sec(5π/4)
-√2
59
New cards
csc(5π/4)
-√2
60
New cards
cot(5π/4)
1
61
New cards
cos(4π/3)
-1/2
62
New cards
sin(4π/3)
-√3/2
63
New cards
tan(4π/3)
√3
64
New cards
sec(4π/3)
-2
65
New cards
csc(4π/3)
-2√3/3
66
New cards
cot(4π/3)
√3/3
67
New cards
cos(3π/2)
0
68
New cards
sin(3π/2)
-1
69
New cards
tan(3π/2)
undefined
70
New cards
sec(3π/2)
undefined
71
New cards
csc(3π/2)
-1
72
New cards
cot(3π/2)
undefined
73
New cards
cos(5π/3)
1/2
74
New cards
sin(5π/3)
-√3/2
75
New cards
tan(5π/3)
-√3
76
New cards
sec(5π/3)
2
77
New cards
csc(5π/3)
-2√3/3
78
New cards
cot(5π/3)
-√3/3
79
New cards
cos(7π/4)
√2/2
80
New cards
sin(7π/4)
-√2/2
81
New cards
tan(7π/4)
-1
82
New cards
sec(7π/4)
√2
83
New cards
csc(7π/4)
-√2
84
New cards
cot(7π/4)
-1
85
New cards
cos(11π/6)
√3/2
86
New cards
sin(11π/6)
-1/2
87
New cards
tan(11π/6)
-√3/3
88
New cards
sec(11π/6)
2√3/3
89
New cards
csc(11π/6)
-2
90
New cards
cot(11π/6)
-√3
91
New cards
cos(2π) or cos(0)
1
92
New cards
sin(2π) or sin(0)
0
93
New cards
tan(2π) or tan(0)
0
94
New cards
sec(2π) or sec(0)
1
95
New cards
csc(2π) or csc(0)
undefined
96
New cards
cot(2π) or cot(0)
undefined
97
New cards
2π or 0
360° or 0°
98
New cards
π/6
30°
99
New cards
π/4
45°
100
New cards
π/3
60°
Note 
Flashcards (105)