Asked by Abe

eliminate the parameter t from the following
x = 4 sin t y= 7 cos t

sketch the graph

Answers

Answered by Reiny
t = sin<sup>-1</sup> (x/4)

do the t for the other equation the same way, then equate the two results.

to graph it, I would stick with the original equations, and substitute some critical values for t such as 30,45,60,90ยบ or pi/6,pi/4,pi/3,pi/2 etc if you are in radians.
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