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fraction numerator sin invisible function application left parenthesis n plus 1 right parenthesis A plus 2 sin invisible function application n A plus sin invisible function application left parenthesis n minus 1 right parenthesis A over denominator cos invisible function application left parenthesis n minus 1 right parenthesis A minus cos invisible function application left parenthesis n plus 1 right parenthesis A end fraction equals

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  1. tan A
  2. tan invisible function application A divided by 2
  3. cot invisible function application A divided by 2
  4. cot A

    Answer:The correct answer is: cot invisible function application A divided by 2

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