Precalc Double Angle + Sum and Difference Formulas

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Description and Tags

Trig identities to memorize.

Pre-Calculus

Complex Numbers

trig

11th

8 Terms

1
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sin2x
2sinxcosx
2
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cos2x
cos^2x-sin^2x
3
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cos2x
1-2sin^2x
4
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cos2x
2cos^2x-1
5
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tan2x
2tanx/1-tan^2x
6
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sin(u+-v)
sin(u)cos(v)+-cos(u)sin(v)
7
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cos(u+-v)
cos(u)cos((v)-+sin(u)sin(v)
8
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tan(u+-v)
tan(u)+-tan(v) / (1-+tan(u)tan(v))