AQA A Level Maths Identities
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11 Terms
1
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sin2x+cos2x
1
2
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sin (A ± B)
sinAcosB±sinBcosA
3
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cos (A ± B)
cosAcosB∓sinAsinB
4
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tan(A ± B)
tanA±tanB/1∓tanAtanB
5
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sin2x
2sinxcosx
6
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cos2x
cos2x-sin2x
7
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cos2x
2cos2x-1
8
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cos2x
1-2sin2x
9
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tan2x
2tanx/1-tan2x
10
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sec2x
1+tan2x
11
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cosec2x
1+cot2x
Note 
Flashcards (71)