7.1 - 7.4 PreCalc test

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27 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)

sin(theta)/cos(theta)

4
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tan(theta)

1/cot(theta)

5
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csc(theta)

1/sin(theta)

6
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sec(theta)

1/cos(theta)

7
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cot(theta)

cos(theta)/sin(theta)

8
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cot(theta)

1/tan(theta)

9
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sin²(theta) + cos²(theta)

1

10
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1-sin²(theta)

cos²(theta)

11
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1-cos²(theta)

sin²(theta)

12
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1+cot²(theta)

csc²(theta)

13
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tan²(theta)+1

sec²(theta)

14
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cos(a+b)

cos(a)cos(b)-sin(a)sin(b)

15
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cos(a-b)

cos(a)cos(b)+sin(a)sin(b)

16
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sin(a+b)

sin(a)cos(b)+cos(a)sin(b)

17
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sin(a-b)

sin(a)cos(b)-cos(a)sin(b)

18
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tan(a+b)

tan(a)+tan(b)/1-tan(a)tan(b)

19
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tan(a-b)

tan(a)-tan(b)/1+tan(a)tan(b)

20
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sin2(theta)

2sin(theta)cos(theta)

21
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cos2(theta)

cos^2(theta) - sin^2(theta)

22
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cos2(theta)

2cos²(theta)-1

23
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cos2(theta)

1-2sin²(theta)

24
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tan2(theta)

2tan(theta)/1-tan²(theta)

25
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sin(a/2)

±√1-cos(a)/2

26
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cos(a/2)

±√1+cos(a)/2

27
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tan(a/2)

±√1-cos(a)/1+cos(a)