Answers created by Ho Kae Boon

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• How do you verify #(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos2x#?
  
• How do you solve the following system?: # 1/3y = 3/4x + 5 , 3/2x - 8y = 2 #
  
• Question #9f7e1
  
• In which quadrant does the terminal side of a #pi/3# radians angle lie?
  
• How do you solve the system of equations #9x=-2y+129# and #y=-x+12#?
  
• How do you solve #| 3 + 2x | >| 4 - x |#?
  
• How do you multiply #4k ^ { 3} \cdot ( 4k ) ^ { 3}#?
  
• How do you solve #\frac { 3} { 2} ( x - 10) ^ { 2} = \frac { 1} { 2}#?
  
• How do you solve #6| y + 4| + 8> - 40#?
  
• How do you find the value of the discriminant and state the type of solutions given #-9b^2=-8b+8#?
  
• If #f(x) = (2x+5)/x#, what is #f^-1(x)#?
  
• How do you find the reference angle for #-(3pi)/4#?
  
• How do you simplify #(4x y ) ( 3x ^ { 2} y ^ { 3} ) ( - 2x ^ { 3} y )#?
  
• How do you solve #7+ 3x = 6x - 8#?
  
• Question #f2c09
  
• How do you multiply and simplify #\frac { 10a ^ { 3} \cdot 10a ^ { 0} } { 2a ^ { 0} }#?
  
• Given #f(x)=x^2 - 7#, how do you describe the transformation?
  
• Question #a3663
  
• How do you find the discriminant for #0.2x^2-1.5x+2.9=0# and determine the number and type of solutions?