Answers edited by dansmath

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• What is the derivative of #f(x)=ln(cos(x))# ?
  
• How do you use the direct Comparison test on the infinite series #sum_(n=1)^oo(1+sin(n))/(5^n)# ?
  
• How do you find the inflection point of a cubic function?
  
• How do you find the equation of the tangent to the curve #x=t^4+1#, #y=t^3+t# at the point where #t=-1# ?
  
• How do I find a logistic function from its graph?
  
• How do you convert #r = 5 cos (t)# into cartesian form?
  
• What is the arclength of #(2t^2-t,t^4-t)# on #t in [-4,1]#?
  
• How do logistic and exponential growth differ?