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First and Second Derivative of a Cross Product

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Find the vectors T, N, and B at the given point.

r(t)=<e^t , e^t sint , e^t cost> , (1,0,1)

I'm having problems with this one because it requires lots of calc. I and II and i just can't remember how to do some of this.

I can take the first derivative and the second but doing the cross product is giving me trouble.

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Solution Summary

The expert analyzes the first and second derivative of a cross product. A trigonometric derivative function is computed.

Solution Preview

T can be obtained by differentiating each value
and substituting 1,0,1 .

N can be obtained by doing a ...

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