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cosA = (b^2 + c^2 - a^2)/(2bc) À̹ǷÎ,
A = arccos((b^2 + c^2 - a^2)/(2bc)) ÀÌ µÈ´Ù.
A = arccos((b^2 + c^2 - a^2)/(2*b*c))
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Variable
º¯¼ö°ª
Value
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Description of the variable
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