一、考点解读研读“考试要求”,其中“了解”层次中三角函数的周期、最小正周期以及三角函数的奇偶性被考查的概率很大,题目常以难度较小的客观题的面目出现;对“了解”范畴中正弦函数、余弦函数、正切函数的图像和性质的理解要准确、透彻;对“理解和掌握”与“灵活和综合应用 First, the interpretation of the test center read “examination requirements”, in which “understand” the level of the trigonometric function of the cycle, the minimum positive cycle and the parity of the trigonometric function is highly probable, the title is often difficult to face the appearance of an objective problem; Understanding the images and properties of the sine function, cosine function, and tangent function in the category of “knowledge” must be accurate and thorough; understanding and mastering, and flexible and comprehensive application