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  3. given r(t)=ti+2sintj+2costk and u(t)=1/ti+2sintj+2

Given r(t)=ti+2sintj+2costk and u(t)=1/ti+2sintj+2costk, find the following: 1. r(t) x u(t) 2. d/dt (r(t) x u(t)...

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Civil Engineering

Given r(t)=ti+2sintj+2costk and u(t)=1/ti+2sintj+2costk, findthe following: 1. r(t) x u(t) 2. d/dt (r(t) x u(t) 3.now useproduct rule for derivative of cross product of two vectors andshow same result

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