A curve has parametric equations x = sint y = cos2t, 0<t<2pie
find the cartesian equation of the curve
can someone please tell me where to go with this?
i have x = sint y = 2costsint y = 2costx
what do i do now?
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- Thread Starter
- 02-02-2006 14:02
- 02-02-2006 14:08
cos2t = 2cos2t - 1 = 1 - 2sin2t = cos2t - sin2t
so y = 1-2x2
(sin2x = 2sinxcosx)