What is an equation of the line tangent to the circle x⏫ + y⏫ = 32 at (4, 4)?A) y = x –8B) y = x + 8C) y = –x + 8D) y = xE) y = –x + 4 相关知识点: 试题来源: 解析 C 圆的方程为x² + y² = 32,圆心在原点(0,0)。切点坐标为(4
Step by step video & image solution for The equation of tangent to the circle x^2 + y^2 - 4x = 0 which is perpendicular to the normal drawn through the origin can be : (A) x=0 (B) x=4 (C) x+y=2 (D) none of these by Maths experts to help you in doubts & scoring exce...
Method 1 : Since the circle is tangent to both axes, the center of the circle is on the line. shing \(5_1-3_1=8x±y=0. b \(x=4y=4. \(x=1y=-1. Therefore the equation of the cirele is (x -4)+ (y-4)2=16 or(x-1)2+(y+1)2=1. Method 2: Let the equation of ...
The unit circle is a circle with a radius of one unit. The unit circle is fundamentally related to the concepts of trigonometry. The trigonometric functions can be defined using the unit circle. A unit circle on the Cartesian plane is shown below. It has its center at origin and all the...
Learn the equation of a unit circle, and know how to use the unit circle to find the values of various trigonometric ratios such as sine, cosine, tangent. Also check out the examples, FAQs.
True or False: A line l is tangent to a circle at T if and only if l is perpendicular to OT. O is the center of circle. The linear approximation L(x) of a differentiable function f(x) near the point x = a is given by L(x) = f...
What is the equation of the line that is tangent to the circle x2+y2−4x+6y−12=0 at point (5,1)? The Equation of a Tangent Line: The equation of a tangent line to a circle at a given point on it is a straight line that touches the...
百度试题 结果1 题目Write an equation of a circle with center at (-5,3) and tangent to the x-axis. 相关知识点: 试题来源: 解析 (x+5)^2+(y − 3)^2=9(x+5)^2+(y − 3)^2=9 反馈 收藏
百度试题 结果1 题目What is an equation of a circle with center at (−5,3) and tangent to the x‑axis?相关知识点: 试题来源: 解析 (x + 5) + (y − 3) = 9 (x + 5) + (y − 3) = 9 反馈 收藏
If 3x+y=0 is a tangent to a circle whose center is (2,-1) , then find ... 07:31 Find the area of the triangle formed by the tangents from the point (4... 08:41 If the chord of contact of the tangents drawn from a point on the c... 02:42 Find the locus of the poin...