论文部分内容阅读
反三角函数问题，一般比较抽象、复杂，学生难以理解．通过构造三角形转化条件，可使一些繁难的反三角函数问题，解法简便、明快．请看以下例题．１计算反三角函数值例１计算ａｒｃｓｉｎ１５＋ａｒｃｃｔｇ３１０３２１Ｂ５ＡＤＣ解设Ａ＝ａｒｃｓｉｎ１５，Ｂ＝ａｒｃｃ...
The problem of inverse trigonometric functions is generally more abstract and complex and it is difficult for students to understand. By constructing the transformation conditions of the triangle, some difficult inverse trigonometric functions can be solved, and the solution is simple and clear. Please see the following example. 1 Calculate the inverse trigonometric function Example 1 Calculate the arcsin15+arcctg310321B5ADC solution A=arcsin15,B=arcc...