trig identities
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18 Terms
1
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sin(theta)
1/csc(theta)
2
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cos(theta)
1/sec(theta)
3
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tan(theta)
1/cot(theta)
4
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csc(theta)
1/sin(theta)
5
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sec(theta)
1/cos(theta)
6
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cot(theta)
1/tan(theta)
7
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tan(theta)
sin(theta)/cos(theta)
8
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cot(theta)
cos(theta)/sin(theta)
9
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cos²(theta)+sin²(theta)
1
10
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1+tan²(theta)
sec²(theta)
11
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cot²(theta)+1
csc²(theta)
12
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sin(2theta)
2(sintheta)2(costheta)
13
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cos(2theta)
cos²(theta)-sin²(theta)/1-2sin(theta)/2cos²(theta)-1
14
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sin(a+b)
(sina)(cosb)+(cosa)(cosb)
15
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sin(a-b)
(sina)(cosb)-(cosa)(sinb)
16
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cos(a+b)
(cosa)(cosb)-(sina)(sinb)
17
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cos(a-b)
(cosa)(cosb)+(sina)(sinb)
18
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Note 
Flashcards (25)