Engineering Curvres Course Engineering Curves Problems Solved in the Course Demo Course- Prob. No 5- Hyperbola by Directrix Focus Method Prob.1. Ellipse by Directrix Focus MethodProb.2. Ellipse by Oblong Or Rectangle MethodProb.3. Parabola by Directrix Focus MethodProb.4. Parabola by Oblong Or Rectangle MethodProb.5. Hyperbola by Directrix Focus MethodProb.6. Rectangular hyperbolaProb. 7. Helix on CylinderProb.8. Helix on a Cone Prob. 9. Cycloid Prob.10. Involute Type-IProb.11.Involute Type-IIProb.12.Involute Type-IIIProb.13. Arechemedian Spiral