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) x r'(t) = ωa X b.
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rt a cos wt b sin wt rt x r t a cos wt b sin wt x aw s...View the full answer
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