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三角函数是每年高考必考的内容之一,考查形式基本上是一道或两道小题、一道大题,考题多为容易题、基础题,难度不大;考查内容主要是考生对概念的理解、三角变换以及三角函数的图像与性质(包括对定义的理解和运用、象限角及符号、诱导公式、同角三角函数关系式的化简与求值等).灵活运用上述概念和各种三角公式进行化简、求值、证明以及解三角形或结合三角函数的图像考查性质等,是近些年高考考查的热点.下面仅就2013年高考湖
Trigonometric function is one of the content of the annual college entrance examination will be one of the exam form is basically one or two small problems, a big problem, test questions and more easy questions, basic questions, the difficulty is not; test content is mainly candidates to understand the concept (Including the understanding and application of definitions, quadrant angles and symbols, induction formulas, simplification and evaluation of the relation of trigonometric trigonometrical functions, etc.) The flexibility to use the above concepts and various triangles The formula to simplify, evaluate, prove and solve the triangle or combination of trigonometric function of the image examination of the nature of the college entrance examination examination in recent years, the following hot spots.