trigformler
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Last updated 1:52 PM on 10/17/23
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8 Terms
1
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cos(2x)
1-sin²x, 2cos²x-1, cos²x-sin²x
2
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sin(2x)
2sinxcosx
3
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trigettan
1=sin²x+cos²x
4
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sin(x+u)
sinxcosu+sinucosx
5
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sin(x-u)
sinxcosu-sinucosx
6
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cos(x+u)
cosxcosu-sinxsinu
7
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cos(x-u)
cosxcosu+sinxsinu
8
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asinx+bcosx
csin(x+v) där c=(a²+b²)^1/2
Note 
Flashcards (161)