Precalc Unit 6

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10 Terms

1
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sin(x+-y)

sinxcosy(+-)cosxsiny

2
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cos(x+-y)

cosxcosy(-+)sinxsiny

3
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tan(x+-y)

tanx(+-)tany/1(-+)tanxtany

4
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sin2x

2sinxcosx

5
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cos2x

cos²x-sin²x

6
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tan2x

2tanx/1-tan²x

7
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sin(x/2)

(+-) root 1-cosx/2

8
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tan(x/2)

(+-) root 1-cosx/1+cosx

9
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tan(x/2)

sinx/1+cosx

10
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tan(x/2)

1-cosx/sinx