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r(x)=(sin(2x)-2xcos(2x),cos(2x)+2xsin(2x),3x^2+6), x>0 Find the unit tangent

Posted: Tue Jul 12, 2022 12:40 pm
by answerhappygod
r(x)=(sin(2x)-2xcos(2x),cos(2x)+2xsin(2x),3x^2+6), x>0
Find the unit tangent