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cosine
adjacent/hypotenuse
sine
opposite/hypotenuse
tangent
opposite over adjacent
volume of a cylinder
pi(r)^2*h
volume of rectangular prism
Bh^2
volume of triangular prism
B/2*h^3
volume of a cone
pi(r)^2*h/3^3
volume of a triangular pyramid
B/2*h/3
Volume of a square pyramid
Bh/3^3
equation of a circle
(x-h)^2+(y-k)^2=r^2
slope of a line
rise/run