x = a cos(t), y = b sin(t) is the parametric form of
- A. Ellipse
- B. Hyperbola
- C. Circle
- D. Parabola
Answer: A. Ellipse
Explanation: (x/a)^2 + (y/b)^2 = cos² t + sin² t = 1. Equation of an ellipse.
ISRO Computer Science (CSE) 2009 - Question 49
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