Answers edited by Aldrich

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• How do you simplify #sin^2x csc^2x - sin^2x#?
  
• How do you find the derivitive of Inverse trig function #y = csc^-1(x^2+1)#?
  
• How do you write #x^3 y^-5# with a postive exponent?
  
• How do you differentiate #f(x)=(x-1)(x-2)(x-3)#?
  
• How do you solve #Log(x+2) - log(x-2) = log(3)#?
  
• How do use the first derivative test to determine the local extrema #x^2-x-1#?