maths trig identities
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9 Terms
1
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sin (A+B)
sinAcosB +cosAsinB
2
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sin(A-B)
sinAcosB - cosAsinB
3
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cos (A+B)
cosAcosB - sinAsinB
4
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cos(A-B)
cosAcosB + sinAsinB
5
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tan(A+B)
tanA+tanB / 1-tanAtanB
6
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tan(A-B)
tanA - tanB / 1 + tanAtanB
7
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sin2A
2sinAcosA
8
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cos2A
cos2A - sin2A, 2cos2A - 1, 1-2sin2A
9
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tan2A
2tanA / 1- tan2A
Note 
Flashcards (57)