CH5 Trig Identities
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9 Terms
1
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sin²x+cos²x
1
2
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1+cot²x
csc²x
3
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tan²x+1
sec²x
4
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sin(A+B)
sinAcosB+cosAsinB
5
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sin(A-B)
sinAcosB-cosAsinB
6
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cos(A-B)
CosAcosB+sinAsinB
7
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cos(A+B)
cosAcosB-sinAsinB
8
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sin(2A)
2sinAcosA
9
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cos(2A)
cos²A-sin²A
2cos²A-1
1-2sin²A
Note 
Flashcards (100)