Precalc Unit 5
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35 Terms
sin u =
1/csc u
csc u =
1/sin u
cos u =
1/sec u
sec u =
1/cos u
tan u =
1/cot u
cot u =
1/tan u
tan u =
sin u/cos u
cot u =
cos u/sin u
sin^2 u + cos^2 u =
1
1 - cos^2 u =
sin^2 u
1 - sin^2 u =
cos^2 u
1 + tan^2 u =
sec^2 u
1 + cot^2 u =
csc^2 u
sec^2 u - tan^2 u
1
sec^2 - 1
tan^2 u
csc^2 u - cot^2 u =
1
csc^2 u - 1
cot^2 u
sin(π/2 - u) (cofunction)
cos u
cos(π/2 - u) (cofunction)
sin u
tan(π/2 - u) (cofunction)
cot u
csc(π/2 - u) (cofunction)
sec u
sec(π/2 - u) (cofunction)
csc u
cot(π/2 - u) (cofunction)
tan u
sin(-u)
-sin u
cos(-u)
cos u
tan(-u)
-tan u
csc(-u)
-csc u
sec(-u)
sec u
cot(-u)
-cot u
sin(u+v)
sin u cos v + cos u sin v
sin(u-v)
sinu cos v - cos u sin v
cos(u+v)
cos u cos v - sin u sin v
cos(u-v)
cos u cos v + sin u sin v
tan(u+v)
(tan u + tan v)/(1 - tan u tan v)
tan(u-v)
(tan u - tan v)/(1 + tan u tan v)
