Prove That Sin 3A = - 1/2 ( a^3 + 1/a^3 ) | Trigonometry | Class - 10 | O . Math . |

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  1. SEE EXAM PREPARATION
  2. prove that
  3. prove that of trigonometry
  4. class 10 opt math
  5. find the value of
  6. prove that sin 3A
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