Trig ratios and values
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17 Terms
1
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Sin
Oop/hypo
2
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Cos
Adj/hypo
3
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Tan
Opp/adj
4
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How to find the area of a triangle (trig)
Area = (1/2)(bc)sinA
5
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How to find the area of a triangle (non-trig)
Area = (1/2)bh
6
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cos30
√3/2
7
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sin30
1/2
8
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tan30
√3/3
9
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cos60
1/2
10
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sin60
√3/2
11
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tan60
√3
12
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cos45
√2/2
13
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sin45
√2/2
14
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tan45
1
15
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45-45 triangle
Leg = x
Hypotenuse = x√2
16
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30-60-90 triangle
Short leg = x
Long leg = x√3
Hypotenuse = 2x
17
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SOH CAH TOA
Sin: o/h
Cos: a/h
Tan: o/a
Note 
Flashcards (47)