Chapter 5.1-5.4
5.0(1)
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Last updated 5:39 PM on 2/7/23
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12 Terms
1
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cos (a-b)
cosAcosB + sinAsinB
2
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cos (a+b)
cosAcosB-sinAsinB
3
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sin (a-b)
sinAcosB-cosAsinB
4
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sin (a+b)
sinAcosB + cosAsinB
5
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tan (a+b)
tanA+tanB/1-tanAtanB
6
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tan (a-b)
tanA-tanB/1+tanAtanB
7
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sin2x
2sinxcosx
8
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cos2x
cos^2x-sin^2x
\
2cos^2x-1
\
1-2sin^2x
\
2cos^2x-1
\
1-2sin^2x
9
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tan2x
2tanx/1-tan^2x
10
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cosx/2
+- square root of 1+cosx/2
11
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sinx/2
+/- square root of 1-cosx/2
12
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tanx/2
\+-sqrt(1-cosx/1+cosx)
\
sinx/1+cosx
\
1-cosx/sinx
\
sinx/1+cosx
\
1-cosx/sinx