由公式x=rcosθ,y=rsinθ,可得
5=r·cos42°,所以r=5/cos42°
y=r·sin42°=5tan42°
有关极坐标的求解If the rectangular coordinates of a point are given
2个回答
相关问题
-
In the rectangular coordinates,abscissa and ordinate of the
-
Point P is on the line y=5x+3.The coordinates of point Q are
-
The coordinate of an object is given as a function of time b
-
Sat数学题On a number line ,if point P has coordinate and point
-
The perimeter of a rectangular plot of land is 250 meterr.If
-
if you are given the task of selecting your own topic for a
-
一道英语奥数题The coordinates of the three points A,B,C on the plan
-
求分析.What's the point of living if you are not happy
-
List 12 points each with integer coordinates that are 5 unit
-
英语翻译A POINT structure containing the x– and y–coordinates sp