Algebra has always been the focus of the adult college entrance examination, and the knowledge of function is the most important part of algebra. If you master the concept of function, you will find the definition domain and function value of common functions, and use the undetermined coefficient method to find the analytic function to judge the parity and monotonicity of the function.

Function focuses on the images and properties of linear function, quadratic function, exponential function and logarithmic function. Sequence is another important part of algebra. Derivative and its application is a prominent focus in the examination in recent two years. The basic strategy of review is to pay attention to operation and application.

Step 2: Triangle

On the basis of understanding trigonometric function and related concepts, master the transformation of trigonometric function, including the basic relationship of trigonometric function with the same angle, the inductive formula of trigonometric function, the formula of trigonometric function with two angles and its difference, and the sine, cosine and tangent formulas of double angles, and calculate and simplify them with formulas.

3. Probability statistics.

In the chapter of permutation and combination, we should pay attention to the main differences between the principle of classified counting and the principle of step-by-step counting, and pay attention to the main differences of permutation and combination Keeping in mind the calculation formula of permutation or combination number will solve simple practical problems about permutation or combination.

4. Plane analytic geometry and solid geometry

Analytic geometry is to study geometric problems by algebraic method through the coordinate system and equations of straight lines and conic curves. In the chapter of plane vector, on the basis of understanding vectors and related concepts, we focus on the algorithm of vectors and the necessary and sufficient conditions for vectors to be vertical and parallel. The review of the straight line chapter focuses on the inclination angle and slope of the straight line, the five forms of the straight line equation and the positional relationship between the two straight lines.

In recent years, the requirements of solid geometry in the syllabus of adult college entrance examination mathematics examination have obviously decreased. The examination focuses on the various positional relationships between straight lines, straight lines and planes, and planes and planes, as well as the basic knowledge about the calculation of the surface area and volume of prisms, pyramids and spheres.

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