Answers edited by Bilal N.

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• What is the equation of the line that is normal to #f(x)= cosx-sin2x# at # x=(4pi)/3 #?
  
• How do you find the total area between the curve f(x)=sin 2x and g(x)=cos x, pi/6 ≤ x ≤ 5pi/6?
  
• Question #72f34