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从历年高考数学试卷来看,三角函数是每年高考必考题型之一,分值较高,学生得分率却较低,有些考生面对三角函数甚至望而生畏,题目还没看,心理上已经是放弃了,得分自然低下。因而,教师应引导学生注意三角函数知识中容易被忽略的一些小问题、小技巧,以获得大突破,提高考试成绩。
From the calendar years of college entrance examination mathematics papers point of view, the trigonometric function is one of the entrance exam papers each year, a higher score, the student score is lower, some candidates even facing the trigonometric functions daunting, the problem has not yet looked psychologically is to give up The scoring naturally low. Therefore, teachers should guide students to pay attention to trigonometric function knowledge easily overlooked some small problems, tips to get a big break, improve test scores.