Thursday, March 6, 2008

HW #13 - 87 - BC5 c

Hi. I was just wondering for 87 - BC5, I found the equation in terms of x and y but I don't know how to find the interval for T. Does anyone know how to find the interval of T? Thanks.
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4 comments:

MariaCJen said...
This comment has been removed by the author.
March 6, 2008 at 6:35 PM
Cristina said...

I put cos(t)i-sin(2t)j, but I'll need the answers to be sure

March 6, 2008 at 8:18 PM
MariaCJen said...

but then it said to make sure that it doesn't involve trig functions...

March 6, 2008 at 8:51 PM
Daryl Wang said...

The t interval is given to you in the problem, so I don't know why you need to find it.
If you're looking for the domain, I would try using x=sint and pluging your initial and terminal t values you were given into the equation. That should give you your domain, although you might want to graph it or check it some other way.

March 6, 2008 at 10:14 PM

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