The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
chu zhong shu xue rui jiao san jiao han shu jiao xue de liang dian si kao
Author(s): 
Pages: 13-16
Year: Issue:  4
Journal: ZHONGXUE SHUXUE ZAZHI(CHUZHONG BAN)

Keyword:  锐角三角函数初中数学函数教学数学课程标准解直角三角形三角函数值义务教育学习要求;
Abstract: 1引言根据《义务教育数学课程标准(2011年版)》(以下简称《课标》)的要求,初中数学阶段对锐角三角函数的学习要求掌握锐角范围内正弦、余弦、正切函数的定义及基本性质,熟悉特殊角(30°,45°,60°)的三角函数值以及会用锐角三角函数解直角三角形,能用相关知识解决一些简单的实际问题
Related Articles
No related articles found