因为斜率即直线斜角的正切值,所以斜角的度数可以用反正切函数来算:
本题中,角度=arctan2
猜你喜欢
- 1五下《半截蜡烛》的课文中多次描写蜡烛的作用是什么?
- 2no matter what,parents will alway be there and give everything they could to make you happy.you ma
- 3一只小鸟这篇阅读题的答案
- 4AD垂直DB,BD垂直CD,AB=aCM,BC=bCM,则线段BD的长度的取值范围是多少
- 5He doesn't look a young man in his ______(thirty)
- 6英语翻译
- 7我有一个梦想200字.现在我给的悬赏是5,好的我再给10悬赏.
- 8文言文总复习
- 9若三角形ABC的三边a、b、c满足条件a^2+b^2+c^2=30a+40b+50c-1250,试判断三角形ABC的形状.
- 10father flies to london every year .改一般疑问句,并作否定回答