Precalculus Trig indentities
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Description and Tags
12 Terms
1
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cscx
1/sinx
2
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secx
1/cosx
3
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cotx
1/tanx
4
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tanx
sinx/cosx
5
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cotx
cosx/sinx
6
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sin2x=
1-cos2x
7
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csc2x=
1+cot2x
8
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sec2x=
tan2x+1
9
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sin(2x)
2sinxcosx
10
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cos2x-sin2x
cos(2x)
11
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1-2sin2x
cos(2x)
12
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2cos2-1
cos(2x)