Answers edited by zoe

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• How do you solve this system of equations using the substitution method #x- y = 4 and 6x + 4y = - 66#?
  
• Prove that sinxtanx+cosx=secx (where x is theta)?
  
• How do you solve y = 3x - 4 and 2x - y = 1?
  
• How do I prove that #1/(sec A+1)+1/(sec A-1)#=#2 csc A cot A# ?
  
• How do you find the Vertical, Horizontal, and Oblique Asymptote given #f(x)= 1/x^2#?
  
• How do you graph #y=2x^2 -5x -3#?
  
• How do you identify the important parts of #y = (x – 1)^2 – 16# to graph it?
  
• How do you factor #g(x)=2x^2-5x-3 #?
  
• How do you solve #3k ^ { 2} + k - 30= 2k ^ { 2}#?
  
• How do you graph #f(x)=2/(x-1)# using holes, vertical and horizontal asymptotes, x and y intercepts?
  
• How do you solve #\frac { 6} { 7} = \frac { k - 6} { k }#?
  
• Question #9e831
  
• How do I solve #3 sin x+2 tan x=0# for #0°<x<360°# ?
  
• How do you find the value of #cot 1#?