Exercise
Given the vector function in the parametric presentation
r(t)=21tan4(2t)i−tcos(3t)j+ln(4t)k
Calculate its derivative.
Final Answer
\vec{r}'(t)=\frac{4\tan^3(2t)}{\cos^2(2t)}\vec{i}+(3t\sin (3t)-\cos (3t))\vec{j}+\frac{1}{t}\vec{k}
Solution
Coming soon…