Trigonometry Ratios
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Last updated 5:26 PM on 9/7/26
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39 Terms
1
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sin 30°
1/2
2
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sin 45°
√2/ 2
3
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sin 60°
√3/ 2
4
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cos 30°
√3/ 2
5
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cos 45°
√2/ 2
6
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cos 60°
1/2
7
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tan 30°
√3/ 3
8
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tan 45°
1
9
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tan 60°
√3
10
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pythagorean identities (list all)
11
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𝝅
180°
12
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𝝅/2
90°
13
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𝝅/3
60°
14
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𝝅/4
45°
15
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𝝅/6
30°
16
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sin 90°
1
17
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cos 90°
0
18
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tan 90°
undefined
19
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sin 𝝅/2
1
20
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sin 𝝅/6
1/2
21
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sin 𝝅/4
√2/ 2
22
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sin 𝝅/3
√3/ 2
23
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cos 𝝅/2
0
24
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cos 𝝅/6
√3/ 2
25
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cos 𝝅/4
√2/ 2
26
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cos 𝝅/3
1/2
27
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tan 𝝅/2
undefined
28
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tan 𝝅/6
√3/ 3
29
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tan 𝝅/4
1
30
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tan 𝝅/3
√3
31
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sin 𝜃
opp/hyp
32
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cos 𝜃
adj / hyp
33
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tan 𝜃
opp / adj
34
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Law of Sines�
35
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Law of Cosines
36
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y = sin x (graph)
37
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y = cos x (graph)
38
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y = tan x (graph)
39
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sin² 𝜃 + cos² 𝜃 =
1