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The cartesian equation of r squared c o s space 2 theta equals a squared is

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  1. x to the power of 2 end exponent plus y to the power of 2 end exponent equals a to the power of 2 end exponent    
  2. x to the power of 2 end exponent minus y to the power of 2 end exponent equals a to the power of 2 end exponent    
  3. y to the power of 2 end exponent minus x to the power of 2 end exponent equals a to the power of 2 end exponent    
  4. x to the power of 2 end exponent plus y to the power of 2 end exponent plus a to the power of 2 end exponent equals 0    

    Answer:The correct answer is: x to the power of 2 end exponent minus y to the power of 2 end exponent equals a to the power of 2 end exponent

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