x = sec(t), y = tan(t), 0 st (a) Sketch the curve represented by the parametric equations. Use arrows to indicate the direction of the curve as t increases. y y -10 -5 10 5 -5 -10 y 10 5 5 10 X X -10 -5 10 -10 5 10 5 y 5 10 X

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