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Abstract:

正切是生活中应用最为广泛的三角函数之一.通过设计一系列活动,引导学生通过独立思考、自主探究、合作探究、归纳总结等方式自主建构正切的概念,并在游戏、实际情境中进一步深化理解正切的概念,深切感受知识的发生、发展过程.

Keyword:

数形结合 正切概念 正切函数

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  • [ 1 ] [李津]西安交通大学附属中学分校

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Source :

中国数学教育(初中版)

ISSN: 1673-8284

Year: 2018

Issue: 6

Page: 21-23,25

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 0

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