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Last updated 4:51 AM on 9/2/25
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10 Terms
1
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Sin²x + Cos²x
1
2
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1 + tan²x
sec²x
3
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1 + cot²x
csc²x
4
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2Sinx * Cosx
Sin2x
5
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Cos²x - Sin²x
Cos2x
6
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2Cos²x - 1
Cos2x
7
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1 - 2Sin²x
Cos2x
8
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2tanx / 1 - tan²x
tan2x
9
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√((1 - cosx)/2)
Sin(x/2)
10
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√((1 + cosx)/2)
Cos(x/2)
Note 
Flashcards (23)