显示正弦，余弦的三角函数，调整线宽，计算正弦余弦乘积

显示正弦，余弦的三角函数，调整线宽，计算正弦余弦乘积-Shows sine, cosine of the trigonometric functions, adjusting the line width to calculate the product of sine cosine

三角函数曲线的MATLAB程序。需要的来下载。-MATLAB procedures trigonometric curves. Need to download.

该程序演示了三角函数和双曲函数以及对数函数之间的关系，可供数学学习研究之用。 -The program demonstrates the trigonometric and hyperbolic functions and the relationship between the logarithmic functions are available for mathematics learning research.