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#?