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Question

if blank to the power of straight prime O to the power of straight prime is the Orthocentre of straight triangle A B C t h e n space OA equals

  1. Rcos invisible function application A  
  2. 2 Rcos invisible function application A
  3. 2 Rcot invisible function application A
  4. Rcot invisible function application A

The correct answer is: 2 Rcos invisible function application A

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