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• 1991 AIME Problems/Problem 12
  ...ngle RSP+\angle PSA)=\sin\angle RSP\sin\angle PSA-\cos\angle RSP\cos\angle PSA=\frac{24}{25}\cdot\frac{117}{125}-\frac{7}{25}\cdot\frac{44}{125}=\frac{4}{
  8 KB (1,270 words) - 22:36, 27 August 2023