trig ratios (quadrantal angles)
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60 Terms
1
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sin(0)
0
2
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sin(90)
1
3
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sin(180)
0
4
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sin(270)
-1
5
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sin(0)
0
6
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sin(π/2)
1
7
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sin(π)
0
8
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sin(3π/2)
-1
9
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10
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cos(0)
1
11
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cos(90)
0
12
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cos(180)
-1
13
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cos(270)
0
14
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cos(0)
1
15
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cos(π/2)
0
16
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cos(π)
-1
17
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cos(3π/2)
0
18
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19
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tan(0)
0
20
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tan(90)
undefined
21
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tan(180)
0
22
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tan(270)
undefined
23
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tan(0)
0
24
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tan(π/2)
undefined
25
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tan(π)
0
26
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tan(3π/2)
undefined
27
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28
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csc(0)
undefined
29
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csc(90)
1
30
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csc(180)
undefined
31
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csc(270)
-1
32
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csc(0)
undefined
33
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csc(π/2)
1
34
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csc(π)
undefined
35
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csc(3π/2)
-1
36
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37
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sec(0)
1
38
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sec(90)
undefined
39
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sec(180)
-1
40
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sec(270)
undefined
41
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sec(0)
1
42
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sec(π/2)
undefined
43
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sec(π)
-1
44
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sec(3π/2)
undefined
45
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46
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cot(0)
undefined
47
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cot(90)
0
48
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cot(180)
undefined
49
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cot(270)
0
50
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cot(0)
undefined
51
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cot(π/2)
0
52
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cot(π)
undefined
53
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cot(3π/2)
0
54
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55
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sin θ
y/r
56
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cos θ
x/r
57
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tan θ
y/x
58
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csc θ
r/y
59
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sec θ
r/x
60
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cot θ
x/y
Note 
Flashcards (32)