July 20, 2024 (Current Version)

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Science Fell in Love, So I Tried to Prove It r=1-sinθ
理科生坠入情网故尝试证明[r=1-sinθ]♡ 理系が恋に落ちたので証明してみた。r=1-sinθ（ハート）

(Edit Author: K K)

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