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# Precalc Semester 2

TypeQuestionFormula
Polar to rectangular y y=rsin(Theta)
Rectangular to polar r ((x^2)+(y^2))^(1/2)
Rectangular to polar Theta tan^-1(y/x)
Parametric Equations Parabolic motion X<t>=V<0>cos(Theta)t Y<t>=(-16t^2)+V<0>sin(Theta)t+Y<0>
Parametric Equations Circular Motion (Ferris Wheel) X<t>= Y<t>=
Sum/Diff IDs sin(u+v) sin(u-v) sin(u)cos(v)+cos(u)sin(v) sin(u)cos(v)-cos(u)sin(v)
Sum/Diff IDs cos(u+v) cos(u-v) cos(u)cos(v)-sin(u)sin(v) cos(u)cos(v)+sin(u)sin(v)
Sum/Diff IDs tan(u+v) tan(u+v) tan(u-v) tan(u-v) (tan(u)+tan(v))/(1-tan(u)tan(v)) (sin(u)cos(v)+cos(u)sin(v))/(cos(u)cos(v)-sin(u)sin(v)) (tan(u)-tan(v))/(1+tan(u)tan(v)) (sin(u)cos(v)-cos(u)sin(v))/(cos(u)cos(v)+sin(u)sin(v))
Double angle Sin(2u) 2sin(u)cos(u)
Double angle Cos(2u)
Polar to rectangular x x=rcos(Theta)
Created by: BallisticLord