三角函数中的转化与化归思想

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-6058|volume|35|53-53

ISSN: 1674-6058

Source: 中学教学参考, Vol.volume, Iss.35, 2016-01, pp. : 53-53

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Abstract