PreCalc Ch 5 Trig Identities

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23 Terms

1
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sinu

1/cscu

2
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cosu

1/secu

3
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tanu (reciprocal)

1/cotu

4
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cscu

1/sinu

5
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secu

1/cosu

6
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cotu (reciprocal)

1/tanu

7
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tanu (quotient)

sinu/cosu

8
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cotu (quotient)

cosu/sinu

9
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sin²u + cos²u

1

10
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1 + tan²u

sec²u

11
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1 + cot²u

csc²u

12
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sin(π/2 - u)

cosu

13
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cos(π/2 - u)

sinu (cofunction)

14
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tan(π/2 - u)

cotu (cofunction)

15
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csc(π/2 - u)

secu (cofunction)

16
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sec(π/2 - u)

cscu (cofunction)

17
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cot(π/2 - u)

tanu (cofunction)

18
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sin(-u)

-sinu

19
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cos(-u)

cos(u) (even/odd)

20
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tan(-u)

-tanu

21
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csc(-u)

-cscu

22
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sec(-u)

secu (even/odd)

23
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cot(-u)

-cotu