If x=a cosθ and y=b cotθ. then (ax‾¹ – by‾¹) (ax‾¹+ by‾¹) is Equal to :

  1. 0
  2. 1
  3. tan²θ
  4. sin²θ
Anurag Mishra Professor Asked on 7th November 2015 in Maths.
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    Answer: (2) 1 

    Anurag Mishra Professor Answered on 19th May 2016.
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