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oh I wrote it wrong

\[\hat r t=\]

much better!

got it

still something wrong !!

yeah still wrong
\[\hat r t=\]

how about now?

\[t\vec r=\]makes more sense

but wait, brb

and is t being multiplied by r on the left?
this notation is confuzzling me

no it r(t), my bad

\[\vec r(t)=\langle t+\sin(\frac\pi2 t),t+\cos(\frac\pi2t)\rangle\]correct?

yes

so it is just a matter of identifying the components

no prob, this is not one of the harder parts of vector calculus fortunately :)

:P