Trig Values of Special Right Triangles
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37 Terms
1
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sin (45°)
√2/2
2
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cos (45°)
√2/2
3
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tan (45°)
1
4
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sin (30°)
1/2
5
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cos (30°)
√3/2
6
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tan (30°)
√3/3
7
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sin (60°)
√3/2
8
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cos (60°)
1/2
9
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tan (60°)
√3
10
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sin (0°)
0
11
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cos (0°)
1
12
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tan (0°)
0
13
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sin (90°)
1
14
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cos (90°)
0
15
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tan (90°)
undefined
16
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sin (180°)
0
17
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cos (180°)
-1
18
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tan (180°)
0
19
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sin (270°)
-1
20
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cos (270°)
0
21
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tan (270°)
undefined
22
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sin (360°)
0
23
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cos (360°)
1
24
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tan (360°)
0
25
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csc(30)
2
26
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csc(45)
sqrt2
27
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csc(60)
2sqrt3/3
28
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sec(30)
2sqrt3/3
29
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sec(45)
sqrt2
30
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sec(60)
2
31
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cot(30)
sqrt3
32
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cot(45)
1
33
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cot(60)
sqrt3/3
34
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What quadrants are all functions positive in?
I
35
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What quadrant is sin/csc positive in?
I, II
36
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What quadrant is tan/cot positive in?
I, III
37
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What quadrant is cos/sec positive in?
I, IV