If r(t) = a cos t + b sin t, where a and b are constant vectors,
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If r(t) = a cos ωt + b sin ωt, where a and b are constant vectors, show that r(t) × r'(t) = ωa × b.
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rt a coswt b sin wt rt x r t a cos wt b sin wt x aw si...View the full answer
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Related Book For 
Calculus Early Transcendentals
ISBN: 9781337613927
9th Edition
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
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