Pre Calc 5.3-5.4

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Pre-Calculus

Rational Functions

11th

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14 Terms

1
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sin(x+y)

sinx cosy + cosx siny

2
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sin(x-y)

sinx cosy - cosx siny

3
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cos(x+y)

cosx cosy - sinx siny

4
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cos(x-y)

cosx cosy + sinx siny

5
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tan(x+y)

tanx +tany / 1-tanx tany

6
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tan(x-y)

tanx +tany / 1+ tanx tany

7
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sin2x

2sinxcosx

8
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cos2x

cos^2x -sin^2x

9
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cos2x

1-2sin^2x

10
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cos2x

2cos^2x-1

11
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tan2x

2tanx / 1-tan^2x

12
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sin^2u

1-cos^2u / 2

13
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cos^2u

1+cos^2u / 2

14
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tan^2u

1-cos^2u / 1+cos^2u