having trouble with section 10.1 #1 and 10.2 #2. anybody done these yet?

Thanks

9/16/2006 4:05:07 PM

post the question

9/16/2006 5:17:19 PM

ok...10.1 is the limit of arctan t as t approaches infinity

10.2 is the dot product of r prime and r double prime
r=( e^2t, e^-2t, te^2t )

i think i have the right answer, but i have a feeling my format is incorrect

thanks

9/16/2006 5:39:11 PM

What is your answer?

9/16/2006 7:11:51 PM

the first one is pi/2 i think

i'm too lazy to do #2

9/16/2006 8:47:19 PM

thanks

9/17/2006 4:28:04 PM