Previous Scientific Reformations On The Sub-course Of "Trigonometric Function" And The Prospect Towards The Future Course Mode

I find in my teaching that the students have a lot of difficulty in trigonometric function knowledge, An investigation also shows 30% of the students do not like studying the trigonometric function most. Those who are investigated think there is no use changing the formulas over and over again.With the appearances of a large amount of students who have difficulty in studying mathematics, their whole mathematics level will be lowered. Therefore it is imperative to reduce the calculating amount by a large range.As a kind of special functions, it is unnecessary in trigonometric function to take too much time in the calculating skill. Since it's no required for pupils to learn the dividing type operation, as well as the total of the cube, the difference of the cube, the complete cubes for the students in junior middle schools, why shall we have to learn the relational expression between each trigonometric function value of the same angle, the trigonometric function formulae on the total or the difference of two angles, angle of two times formula, half-angle formula? We can achieve our goals through calculators.All sorts of signs indicate that the present" trigonometric function" course is definitely not the final result. In the near future, every student will have one TI figure calculator, and mathematics education will step into an age of information. Every student will start to find or examine some conclusions by themselves in classes. Teachers and students can also search for the materials and formulae through the internet.