Maths-
General
Easy

Question

If cos space 2 theta equals 2 sin squared space theta then theta =

  1. plus-or-minus 30 to the power of ring operator
  2. plus-or-minus 60 to the power of ring operator
  3. plus-or-minus 45 to the power of ring operator
  4. plus-or-minus 90 to the power of ring operator

The correct answer is: plus-or-minus 30 to the power of ring operator

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