Answers created by Hari S.

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• Why is "secant" in the third quadrant negative?
  
• How do you simplify #Tan(sec^-1(u))#?
  
• How does one find the rectangular coordinates of a point with polar coordinates (-2, 11pi/6)?
  
• 1) Please Show Me How To Convert (-3)radian to Degree-Minutes-Second ?
  
• How do you write a variable expression for the word phrase " 3 less than 5 times a number"?
  
• How do you divide #( 2i-9) / ( -7 i + 7 )# in trigonometric form?