3. Given r(t) = 12ti + 5cos tj + 5 sin t k , find the unit binormal vector and torsion

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A: solution:-∫sin22x1+cos2xdxwe know thata2-b2=a+ba-bsin2θ+cos2θ=1sin2θ=1-cos2θ=1+cosθ1-cosθ  

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A: Follow the procedure given below. 

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A: Given that:

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A: Let's find. 

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A: