The Value of sec^4A (1-sin^4A)-2tan²A is :

  1. 1
  2. 2
  3. 1/2
  4. 0
Anurag Mishra Professor Asked on 7th November 2015 in Maths.
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  • 1 Answer(s)

    Answer:  (1) 1

    Anurag Mishra Professor Answered on 17th November 2015.
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