Q7) The graph below, with the indicated direction, represents the vector equation a) r(t) = (3sint,...

 

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Q7) The graph below, with the indicated direction, represents the vector equation a) r(t) = (3sint, 4cost) b) r(t) = (3cost, 4sint) Q8) The curvature k of the curve C: a) k = 3/4 c) r(t) = (4cost, 3sint) d) r(t) = (4sint, 3 cost) b) k=1/12 =1 at the point (0,-4) is c) k = 4/9 d) k= 3/16 > Q7) The graph below, with the indicated direction, represents the vector equation a) r(t) = (3sint, 4cost) b) r(t) = (3cost, 4sint) Q8) The curvature k of the curve C: a) k = 3/4 c) r(t) = (4cost, 3sint) d) r(t) = (4sint, 3 cost) b) k=1/12 =1 at the point (0,-4) is c) k = 4/9 d) k= 3/16 >