Trigonometry

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Pre-Calculus

Last updated 11:55 PM on 12/15/22
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33 Terms

1
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sine
opposite/hypotenuse
2
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cosine
adjacent/hypotenuse
3
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tangent
opposite/adjacent
4
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cosecant
hypotenuse/opposite

csc
5
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secant
hypotenuse/adjacent

sec
6
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cotangent
adjacent/opposite

cot
7
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angle of elevation
the angle formed by a horizontal line and the line of sight to an object above the horizontal line
the angle formed by a horizontal line and the line of sight to an object above the horizontal line
8
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angle of depression
The angle formed by a horizontal line and the line of sight to an object below the horizontal line
The angle formed by a horizontal line and the line of sight to an object below the horizontal line
9
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sin pi/6
1/2
10
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cos pi/6
√3/2
11
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tan pi/6
√3/3
12
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csc pi/6
2
13
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sec pi/6
2√3/3
14
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cot pi/6
√3
15
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sin pi/3
√3/2
16
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cos pi/3
1/2
17
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tan pi/3
√3
18
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csc pi/3
2√3/3
19
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sec pi/3
2
20
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cot pi/3
√3/3
21
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sin pi/4
√2/2
22
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cos pi/4
√2/2
23
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tan pi/4
1
24
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csc pi/4
√2
25
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sec pi/4
√2
26
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cot pi/4
1
27
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sin pi/2
1
28
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cos pi/2
0
29
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tan pi/2
undefined
30
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csc pi/2
1
31
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sec pi/2
undefined
32
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cot pi/2
0
33
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csc pi/2
1