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richyw
 2 years ago
Best ResponseYou've already chosen the best response.0\[\frac{dr}{dt} \left(t \hat{i} + \ln(\cos{t})\hat{j}\right)\]

spndsh
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1349558443843:dw is this right?

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0yup! you just differentiate each component separately.
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