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The parametric equations for a hyperbola are x=2 sec theta, y = 4 tan theta. Evaluate (a) dy/dx (b) d2y/dx2, correct to 4 significant

The parametric equations for a hyperbola are x=2 sec theta, y = 4 tan theta. Evaluate (a) dy/dx (b) d2y/dx2, correct to 4 significant figures, when theta=1 radian.

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