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同角三角函数基本关系式中的平方关系是三角学中最基本的关系式之一,教学中,为培养学生的恒等变形能力和逻辑思维能力,加深学生对知识的理解,应该对此关系式的应用进行重点强化。
The square relationship of the trigonometric trigonometry is one of the most basic relations in trigonometry. In teaching, in order to cultivate students ’ability of equal deformation and logical thinking and to deepen students’ understanding of knowledge, Type of application to focus on strengthening.