emi1lchil2lSca
emi1lchil2lSca emi1lchil2lSca
  • 06-06-2016
  • Mathematics
contestada

Find the slope of the curve r=cos(2theta) at theta=pi/6.

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Tareki
Tareki Tareki
  • 06-06-2016
the slope is defined as the first derivative of the equation so , 
d(r)/d(theta) = -2 sin(2theta) 
and by substitue by theta = pi/2 
we get slope = -2 sin(2*(pi/6)) 
slope = -√3
       
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