If xsin³θ + y cos³θ = sinθcosθ & x sinθ = y cosθ, then x² + y² = ?

  1. 0
  2. 2
  3. 4
  4. 1
Anurag Mishra Professor Asked on 18th April 2016 in Maths.
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    Answer: (2) 2 

    Anurag Mishra Professor Answered on 22nd April 2016.
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