Trigonometry Unit Circle
4.2(5)
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48 Terms
1
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sin0° or sin2π
0
2
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cos0° or cos2π
1
3
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tan0° or tan2π
0
4
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sin30° or sinπ/6
½
5
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cos30° or cosπ/6
√3 / 2
6
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tan30° or tanπ/6
1 / √3
7
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sin45° or sinπ/4
√2 / 2
8
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cos45° or cosπ/4
√2 / 2
9
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tan45° or tanπ/4
1
10
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sin60° or sinπ/3
√3 / 2
11
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cos60° or cosπ/3
½
12
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tan60° or tanπ/3
√3
13
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sin90° or sinπ/2
1
14
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cos90° or cosπ/2
0
15
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tan90° or tanπ/2
undefined
16
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sin120° or sin2π/3
√3 / 2
17
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cos120° or cos2π/3
-½
18
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tan120° or tan2π/3
-√3
19
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sin135° or sin3π/4
√2 / 2
20
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cos135° or cos3π/4
-√2 / 2
21
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tan135° or tan3π/4
-1
22
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sin150° or sin5π/6
½
23
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cos150° or cos5π/6
-√3 / 2
24
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tan150° or tan5π/6
-1 / √3
25
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sin180° or sinπ
0
26
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cos180° or cosπ
-1
27
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tan180° or tanπ
0
28
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sin210° or sin7π/6
-½
29
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cos210° or cos7π/6
-√3 / 2
30
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tan210° or tan7π/6
1 / √3
31
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sin225° or sin5π/4
-√2 / 2
32
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cos225° or cos5π/4
-√2 / 2
33
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tan225° or tan5π/4
1
34
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sin240° or sin4π/3
-√3 / 2
35
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cos240° or cos4π/3
-½
36
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tan240° or tan4π/3
√3
37
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sin270° or sin3π/2
-1
38
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cos270° or cos3π/2
0
39
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tan270° or tan3π/2
undefined
40
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sin300° or sin5π/3
-√3 / 2
41
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cos300° or cos5π/3
½
42
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tan300° or tan5π/3
-√3
43
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sin315° or sin7π/4
-√2 / 2
44
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cos315° or cos7π/4
√2 / 2
45
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tan315° or tan7π/4
-1
46
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sin330° or sin11π/6
-½
47
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cos330° or cos11π/6
√3 / 2
48
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tan330° or tan11π/6
-1 / √3