AP Precalculus Trig Identities

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Description and Tags

Reciprocal, Quotient, Pythagorean theorem, Co-function, Even/Odd Identities

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23 Terms

1
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1/sinx

cscx

2
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1/cotx

tanx

3
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1/cosx

secx

4
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1/tanx

cotx

5
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1/cscx

sinx

6
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1/secx

cosx

7
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sinx/cosx

tanx

8
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cosx/sinx

cotx

9
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sin²x+cos²x

1

10
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1+tan²x

sec²x

11
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1+cot²x

csc²x

12
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sin [pi/2 - x]

cosx

13
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cos [pi/2 - x]

sinx

14
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tan [pi/2 - x]

cotx

15
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cot [pi/2 - x]

tanx

16
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sec [pi/2 - x]

cscx

17
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csc [pi/2 - x]

secx

18
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sin (-x)

-sinx

19
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cos (-x)

cosx

20
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tan (-x)

-tanx

21
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cot (-x)

-cotx

22
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sec (-x)

secx

23
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csc (-x)

-cscx