Questions asked by ChemCrazy

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• How do you prove this identity?
  
• How do you prove `sec^2x-2secxcosx+cos^2x=tan^2x-sin^2x` ?
  
• What is the exact value of `(7pi)/12`?
  
• How do you simplify `(sinxcosx)/(1-sin^2x)`?
  
• Who won the war of 1812, Canada or the U.S?
  
• Find instantaneous rate of `6cos(3x)+2` where `x=5` in radians?
  
• How do you find `f(x)` and `g(x)` when `h(x)= (x+1)^2 -9(x+1)` and `h(x)= (fog)(x)`?
  
• How do you simplify `h(x)= log (x^2+6x+9)(sqrt(x^2-1))`?
  
• How do you find the range from an undefined graph?
  
• Solve `lim/(x->0)=(sqrt(9+x) -3)/x`?
  
• Solve this limit?
  
• Is the answer for `lim_(x->2)(x+1)/(x^2-x-2` 0?
  
• Slope of the tangent line?
  
• Evaluate this limit?
  
• Solve `lim_(x->0) (2tanx)/(xsecx)`?
  
• Evaluate `lim_(x->0) (tanx-sinx)/(xcosx)`?
  
• State the limit of `1/3,1/9,1/27,1/81,1/243....(1/3)^n`?