Unit 10 Math functions

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21 Terms

1
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quotient identities- tan=

sin/cos

2
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quotient identities- cot=

cos/sin

3
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reciprocal identities- csc=

1/sin

4
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reciprocal identities- sec=

1/cos

5
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reciprocal identities- cot=

1/tan

6
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pythag. identities-sin2 +_=1

cos2

7
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pythag. identities- tan2+1=_

sec2

8
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pythag. identities-cot2+1=____

csc2

9
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right half of circle

sin and tan functions

10
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top half of circle

cos functions

11
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cos(a+B)=

cosAcosB-sinAsinB

12
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cos(a-B)=

cosAcosB+sinAsinB

13
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sin(a+B)

sinAcosB+cosAsinB

14
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sin(a-B)

cosAsinB-cosAsinB

15
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tan(a+B)

tanA+tanB/1-tanAtanB

16
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tan(a-B)

tanA-tanB/1+tanAtanB

17
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half angle- sinO/2

± √(1-cosO)/2

18
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half angle- cosO/2

± √(1+cosO)/2

19
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half angle- tanO/2

± √(1-cosO)/(1+cosO)

20
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double angle- sin (2O)

2sinOcosO

21
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double angle- cos(20)

cos²O-sin²O