In Exercises 7378, find the vectors T and N, and the unit binormal vector for the
Chapter 12, Problem 73(choose chapter or problem)
In Exercises 73–78, find the vectors T and N, and the unit binormal vector \(\mathbf{B}=\mathbf{T} \times \mathbf{N}\) for the vector-valued function r(t) at the given value of t
\(\mathbf{r}(t)=2 \cos t \mathbf{i}+2 \sin t \mathbf{j}+\frac{t}{2} \mathbf{k}\)
\(t_{0}=\frac{\pi}{2}\)
Text Transcription:
r(t)=2 cos t i+2 sin t j+t/2 k
t_0=pi/2
B=T times N
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