trigonometry
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Last updated 9:20 PM on 2/23/23
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16 Terms
1
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Sin 30
1/2
2
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cos 30
√3 /2
3
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Tan 30
1/√3
4
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Sin 60
√3 /2
5
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Cos 60
1/2
6
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Tan 60
√3
7
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Sin 45
1/√2
8
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Cos 45
1/√2
9
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Tan 45
1
10
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Sin 0
0
11
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sin 90
1
12
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Cos 0
1
13
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Cos 90
0
14
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Tan 0
0
15
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Which equation to use to find the length when two sides are given with one angle?
Cosine Rule
a² = b² + c² – 2bc cos A (angle).
a² = b² + c² – 2bc cos A (angle).
16
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How to find the area of a non right angled triangle?
Area of triangle = ½ ab sin C