3.12 Equivalent Expressions
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13 Terms
1
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cos^2x + sin^2x
1
2
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1 + tan^2x
sec^2x
3
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1 + cot^2x
csc^2(x)
4
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2sinxcosx
sin(2x)
5
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cos^2(x) - sin^2(x)
cos(2x)
6
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1 - 2sin^2x
cos(2x)
7
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2cos^2x - 1
cos(2x)
8
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sin(a)cos(b) + cos(a)sin(b)
sin(a + b)
9
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sin(a)cos(b) - cos(a)sin(b)
sin(a - b)
10
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cos(a)cos(b) - sin(a)sin(b)
cos(a + b)
11
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cos(a)cos(b) + sin(a)sin(b)
cos(a - b)
12
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1 - cos^2x
sin^2x
13
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1 - sin^2x
cos^2x
Note 
Flashcards (64)