Tan-ūi-îⁿ

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單位圓

單位圓 (Tan-ūi-îⁿ) (單位圓) ()半徑 (poàⁿ-kèng)等於 (téng-î)單位 (tan-ūi)腸肚 (tn̂g-tō͘) (ê)圓形 (îⁿ-hêng)通常 (thong-siông) (chiū)平面 (pêng-bīn)值高 (ti̍t-kau)座標系 (chō-piau-hē) (téng)圓心 (îⁿ-sim) (ûi) (0,0),半徑圍1 (ê) (îⁿ)

單位圓 (ē)滿足 (boán-chiok)這个 (chit-ê)方程式 (hong-têng-sek):

解析失敗 (Chīn-liōng iōng MathML (chhì-giām-sèng--ê):從伺服器 "https://wikimedia.org/api/rest_v1/" 收到無效的回應 ("Math extension cannot connect to Restbase.")。): {\displaystyle x^2 + y^2 = 1 \,\!}