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December 21, 2014

December 21, 2014

Posted by **Abe** on Friday, March 14, 2008 at 1:27pm.

x = 4 sin t y= 7 cos t

sketch the graph

- trig -
**Reiny**, Friday, March 14, 2008 at 3:34pmt = sin

^{-1}(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 30,45,60,90º or pi/6,pi/4,pi/3,pi/2 etc if you are in radians.

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