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5. Find the points (x, y) on the parametric curve defined by x(t) = 2t y(t) = sin(t), -/2 st /2, where the tangent...

5. Find the points (x, y) on the parametric curve defined by x(t) = 2t y(t) = sin(t), -/2 st /2, where the tangent... (a) is horizontal. (b) has slope 1/4. Also find the equation for the tangent line to the curve at these points.

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