The tangent vector to r(<em>t</em>) at any <em>t</em> in the domain is
At <em>t</em> = π/6, the tanget vector is
To get the unit tangent, normalize this vector by dividing it by its magnitude:
So the unit tangent at the given point is
A rectangular prism is 4 meters long, 5 meters wide and has a hight of 7 meters what is it's volume?
1 answer:
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