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AhaanomegasBest ResponseYou've already chosen the best response.1
You need to differentiate each component of the original vector to get the components of the differentiated vector.
 one year ago

spndshBest ResponseYou've already chosen the best response.0
dw:1349560630436:dw is this right?
 one year ago

AhaanomegasBest ResponseYou've already chosen the best response.1
No. 1. You forgot to multiply by the constant a. 2. The derivative of sin is cos, not cos. Try again! :)
 one year ago

AhaanomegasBest ResponseYou've already chosen the best response.1
Nope. Again: 1. You need to write it as a vector. 2. You forgot the a on the ycomponent (jhat). Try again! Don't get discouraged. This takes time to fully understand. ;)
 one year ago

AhaanomegasBest ResponseYou've already chosen the best response.1
Try writing it as (at  a sin t, a  a cos t). It makes it easier for me. Try that for yourself!
 one year ago

spndshBest ResponseYou've already chosen the best response.0
dw:1349561042586:dw what about this?
 one year ago

AhaanomegasBest ResponseYou've already chosen the best response.1
There you go! Good job. :)
 one year ago

AhaanomegasBest ResponseYou've already chosen the best response.1
No problem! Do you see the general method of this so that you can do similar problems in the future?
 one year ago

AhaanomegasBest ResponseYou've already chosen the best response.1
By the way, you're a good learner, @spndsh (!!!)
 one year ago
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