【题目】polar coordinates A coordinate system in which a point in the plane is located in terms of its distance r from the origin and the angle a between the positive x-axis and the line connecting the point to the origin, measured counterclockwise in radians. The polar coordinates of a ...
In a rectangular coordinate system, if the point (3, 4) is transformed to polar coordinates, the radius is: A. 3 B. 4 C. 5 D. 7 相关知识点: 试题来源: 解析 C。本题考查直角坐标与极坐标的转换。直角坐标 (3, 4) 转换为极坐标时,半径 r = √(3² + 4²) = √25 = 5 。
The rectangular coordinates of the point with polar coordinates (4, -30°) are: A. (2√3, -2) B. (2√3, 2) C. (-2√3, 2) D. (-2√3, -2) 相关知识点: 试题来源: 解析 A。x = 4 * cos(-30°) = 2√3 ,y = 4 * sin(-30°) = -2 。选项 B 、C 、D 计算错误...
When converting the point (5, -12) from rectangular coordinates to polar coordinates, the angle is: A. -67.38° B. 67.38° C. 247.38° D. 112.62° 相关知识点: 试题来源: 解析 C。对于点 (5, -12) ,tanθ = -12/5 ,θ 在第四象限,θ = 360° - arctan(12/5) ≈ 247.38° 。
Extending the point distribution model using polar coordinates. Image Vision Comput. 1996;14(8):589-99.A.J. Heap and D.C. Hogg. Extending the Point Distribution Model using polar coordinates. Image & Vision Computing, 14(8):589{599, August 1995....
Convert the point in rectangular coordinates given below into polar coordinates with r \geq 0 and 0 \leq \theta \leq 2\pi: P(4, -4\sqrt{3}) Convert the following point from rectangular coordinates to polar coordinates: (1, \sqrt 3) Convert the follow...
polar(len:Number, angle:Number):Point [static] Converts a pair of polar coordinates to a Cartesian point coordinate. Point setTo(xa:Number, ya:Number):void Sets the members of Point to the specified values Point subtract(v:Point):Point Subtracts the coordinates of another point from the ...
A point is given in polar coordinates. Convert the point to rectangular coordinates. (x,y)=(,)There are 2 steps to solve this one. Solution 100% (1 rating) Share Step 1 The gi...View the full answer Step 2 Unlock Answer UnlockPrevious question Next que...
In Problem, the rectangular coordinates of a point are given. Find two pairs of polar coordinates (r, θ ) for each point, one with r > 0 and the other with r < 0. Express θ in radians.(0,-2) 相关知识点: 试题来源: 解析 (2,-( π )2), (-2,( π )2) ...
Convert the polar coordinates (r,θ) to the rectangular coordinates (x,y) for the point (r,θ)=(−3,−π) Polar Coordinates: Polar coordinate systems are a system where the point of symmetry looks like a circle. Polar coordinates typically employ the rad...