SOLUTION: find two different sets of parametric equations for x² + 4y² - 16 = 0

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Question 1080821: find two different sets of parametric equations for x² + 4y² - 16 = 0
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
One set is 

x(t) = 4*cos(t),
y(t) = 2*sin(t).


Then x%5E2%28t%29+%2B+y%5E2%28t%29 = 16%2Acos%5E2%28t%29+%2B+16%2Asin%5E2%28t%29+-+16 = 16%2A1+-16 = 0.



Another set is 

x(t) = 4*sin(t),
y(t) = 2*cos(t).

Solved.