Find the value of the derivative dy/dx at  t=2π/3 when an object moves according to the parametric equations:   x(t) = 2t+sin(2t) and y(t) = 3t−3cos(2t)   A) = 3+3√3 / 2-√3 B) = 2 - √3 C) = 3 - 3√3 D) = 1/4 (3 - √3)

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