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13 Cards in this Set

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  • Back
π/2
90° or (0,1)
π/3
(1/2, root3/2) or 60°
π/4
45° or (root 2/2, root 2/2)
π/6
30° or (root3/2, 1/2)
sin^2x + cos^2x =
1
tanx=
sinx/cosx
cotx=
cosx/sinx
1+tan^2x=
sec^2x
sin(u+/-v)=
sinu cosv +/- cosu sinv
cos(u+-v)=
cosu cosv +- sinu sinv
tan(u+-v)=
(tan u +- tanv)/ 1+-tanutanv
sin2u=
2sinucosu
cos2u=
cos^2u-sin^2u