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Last updated 3:18 PM on 2/5/26
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15 Terms
1
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sin(2x)
2*cosx*sinx
2
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cos(2x)
1) cos²x-sin²x 2) 2 cos²x-1 3) 1-2*sin²x
3
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tan(2x)
2*tanx/1-tan²x
4
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sec²x
1+tan²x
5
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tan²x
sec²x-1
6
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1 (st)
sec²x-tan²x
7
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1 (cc)
csc²x-cot²x
8
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1+cot²x
csc²x
9
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cot²x
csc²x-1
10
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cos(a+b)
cos(a)cos(b)-sin(a)sin(b)
11
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cos(a-b)
cos(a)cos(b)+sin(a)sin(b)
12
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sin(a+b)
cos(a)sin(b)+cos(b)sin(a)
13
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sin(a-b)
cos(a)sin(b)-cos(b)sin(a)
14
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tan(a+b)
tan(a)+tan(b)/1-tan(a)tan(b)
15
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tan(a-b)
tan(a)-tan(b)/1+tan(a)tan(b)
Note 
Flashcards (125)