{ 5 6) = for t [0, ]. 2 y(t) = 4 sin (t) + 4...

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{ 5 6) = for t [0, ]. 2 y(t) = 4 sin (t) + 4 cos(t) 5 tions for all horizontal and vertical tangent lines, and the coordinates of cusp points (bot Consider the parametric equation x (t) = 2 cos(t) 4 cos(t) Find equations for all horizontal and vertical tangent lines, and the coordinates of cusp points (both derivatives are zero). 4 { 5 6) = for t [0, ]. 2 y(t) = 4 sin (t) + 4 cos(t) 5 tions for all horizontal and vertical tangent lines, and the coordinates of cusp points (bot Consider the parametric equation x (t) = 2 cos(t) 4 cos(t) Find equations for all horizontal and vertical tangent lines, and the coordinates of cusp points (both derivatives are zero). 4