Replace the polar equation with an equivalent Cartesian equation.r = 2 cot ? csc ?

A. y = 2x
B. y = 2x2 
C. y2 = 2x
D. y = 

Answer: C

Mathematics

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Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, ), on the circle , also lies on the terminal side of an angle ? in standard position. The point , on the circle , also lies on the terminal side of an angle ? in quadrant IV. h(? - ?)

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