Questions asked by Lovecraft

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• How do you answer questions like "How do you graph this function"?
  
• Is there a way to put a plus minus sign in an answer?
  
• What to do if a problem has a non-tabled degrees of freedom?
  
• How do you differentiate `f(x) = x^2sin(1/x)`, when `f(x)` is defined as `0` for `x=0`?
  
• Which integrals / derivatives can we consider tabled?
  
• Do you use (aq) in non-aqueous solution?
  
• How do you integrate `sqrt(1- tan^2(x))` with respect to `x`?
  
• Could you please prove that `lim_(x rarr 0) sin(x)/x = 1` using the formal definition of limits?