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正弦定理

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[math]{a \over \sin A}={b \over \sin B}={c \over \sin C}=2R[/math]

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羅驥韡 (Pegasus Roe) — September 22, 2014 - 6:46 AM

Resource Type: Activity
Tags: sine
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Target Group (Age): 14 – 18
Language: Chinese Traditional / 繁體中文‎

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