Pre Calc 5.3-5.4

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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