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If 0 less than alpha comma beta less than fraction numerator pi over denominator 4 end fraction comma C o s invisible function application left parenthesis alpha plus beta right parenthesis equals fraction numerator 4 over denominator 5 end fraction comma S i n invisible function application left parenthesis alpha minus beta right parenthesis equals fraction numerator 5 over denominator 13 end fraction then Tan invisible function application 2 alpha=

  1. 33/56    
  2. 56/33    
  3. 16/63    
  4. 14/63    

The correct answer is: 56/33

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