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（课标通用版）2020版高考数学大一轮复习第四章三角函数、解三角形第7讲第2课时正、余弦定理的综合问题课件文.ppt

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第四章 三角函数、解三角形,与三角形面积有关的问题(多维探究),三角形面积或周长的最值(范围)问题(典例迁移),解三角形与三角函数的综合应用(师生共研),

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