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san jiao han shu yi cuo yi lou dian fen xi
Author(s): 
Pages: 39-45
Year: Issue:  2
Journal: Comprehensive Reading for Students

Abstract: <正>解三角函数问题时,同学们普遍存在会而不对、对而不全.造成失误的原因是由于忽视角的范围,不善于挖掘隐含条件,从而导致功亏一篑,下面举例说明.
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