trig identities
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Last updated 3:58 AM on 3/14/25
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17 Terms
1
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sinx
1/cscx
2
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cscx
1/sinx
3
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cosx
1/secx
4
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secx
1/cosx
5
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tanxx
1/cotx
6
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tanx
sinx/cosx
7
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cotxx
1/tanx
8
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cotx
cosx/sinx
9
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sin²0+cos²0
=1
10
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1+tan²0
=sec²0
11
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1+cot²0
csc²0
12
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cos-1x/arcosx
√1-x²
13
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son-1x/arcsinx
arccos/cos-1√1-x²
14
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sin(a+b)
sina cosb +- cosa sinb
15
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cos(a+b)
cosa cosb +- sina sinb
16
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sin(20)
2sin0cos0
17
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cos(20)=cos²0-sin²0
=1-2sin²0=2cos²0-1
Note 
Flashcards (73)