1. Increase or decrease the interval extreme point, convex-concave inflection point asymptote. Horizontal batch: derivative application

2. Internal, external, persistent, staying in the heart,

Key points, difficulties, doubts and small centering

3. Sine theorem, cosine theorem, omniscient philosophy,

Integral equation, fractional equation and square are the future on the road.

4. Plane triangle, spherical triangle and saddle triangle, please don't fall in love with triangles.

Euclidean geometry, Riemannian geometry and Roche geometry never sigh the geometry of life.

5. Exponential function, logarithmic function, trigonometric function, counting, full of hardships.

Parallel straight lines, intersecting straight lines, non-planar straight lines, and affectionate lines.

6. A clean hand of chalk, a three-foot platform with sunny weather all the year round, and Jiu Si's ten ointments for the five zang-fu organs will make teaching well, and dripping sweat will make the world a better place.

Ten volumes of poems, nine chapters, eight articles and seven latitudes of geography, plus six arts, four books, five classics and three words, are elegant and single-minded, tirelessly teaching and cultivating talents, making China prosperous.

7. The negative positive angle of keratinization, the positive angle of small angle, the small angle of special angle, and the function value of special angle.

The numerical value knows the terminal edge, the terminal edge knows the quadrant, the quadrant knows the symbol, and the symbol judges the terminal edge of the angle. Horizontal batch: trigonometric function rule.

Mathematical riddle

1 actor (mathematical noun), A and B complement each other.

2.Q (mathematical noun) ellipse, curve Q (mathematical noun) circle, curve.

X (a mathematical term) is the vertex angle.

4. Stability can unify the sum of squares.

Ann can see that I am inseparable from men and women.

6. According to the logarithm of the number of seats (mathematical terms),