(资料图片)
1、余弦定理a^2=b^2+c^2-2bc*cosAb^2=c^2+a^2-2ac*cosBc^2=a^2+b^2-2ab*cosC。
本文分享完毕,希望对大家有所帮助。
(资料图片)
1、余弦定理a^2=b^2+c^2-2bc*cosAb^2=c^2+a^2-2ac*cosBc^2=a^2+b^2-2ab*cosC。
本文分享完毕,希望对大家有所帮助。
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