Trig Identities
5.0(3)
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16 Terms
1
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1/csc(x)
sin(x)
2
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1/sec(x)
cos(x)
3
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1/cot(x)
tan(x)
4
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sin(x)/cos(x)
tan(x)
5
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cos(x)/sin(x)
cot(x)
6
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sin²x+ cos²x
1
7
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tan²(x)+1
sec²(x)
8
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cot²(x)+1
csc²(x)
9
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2sin(x)cos(x)
sin(2x)
10
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cos²(x) - sin²(x)
cos(2x)
11
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1- 2sin²(x)
cos(2x)
12
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2cos²(x)-1
cos(2x)
13
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sin(a)cos(b) + cos(a)sin(b)
sin(a+b)
14
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sin(a)cos(b) - cos(a)sin(b)
sin(a-b)
15
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cos(a)cos(b) - sin(a)sin(b)
cos (a+b)
16
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cos(a)cos(b) + sin(a)sin(b)
cos (a-b)
Note 
Flashcards (49)