trig
Terms
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- tan (u + v)
- (tan u + tan v) / (1 - tan u tan v)
- sin (u/2)
- sqrt((1 - cos u)/(2))
- cos (u + v)
- cos u cos v - sin u sin v
- sin 2u
- 2 sin u cos u
- sin (u - v)
- sin u cos v - cos u sin v
- sin (u + v)
- sin u cos v + cos u sin v
- cos 2u
- cos^2 u - sin^2 u OR 1 - 2 sin^2 u OR 2 cos^2 u - 1
- tan(u/2)
- (1 - cos u)/(sin u) OR (sin u)/(1 + cos u)
- tan 2u
- (2 tan u)/(1 - tan^2 u)
- cos (u - v)
- cos u cos v + sin u sin v
- cos(u/2)
- sqrt((1 + cos u)/(2))
- tan (u - v)
- (tan u - tan v)/(1 + tan u tan v)