sin 22 1/2 = ?

  1. (√2 – √2)/2
  2. (√3 – √2)/2
  3. (√2 + √2)/√2
  4. (√2 – √2)/
Anurag Mishra Professor Asked on 18th April 2016 in Maths.
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    Answer: (1) sqrt.(2 – sqrt.2)/2 

    Anurag Mishra Professor Answered on 22nd April 2016.
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