Unit Circle Tangent | Definition, Values & Examples from Chapter 20 / Lesson 2 60K Understand what a unit circle is. Discover the tangent of a unit circle and examine the unit circle chart. Find the tangent values of the unit ci...
a Find the coordinates of the centre of the circle.b Find the radius of the circle.c Find the coordinates of the points where the circle meets thex-axis.d The pointP lies on the circle and the lineL is a tangent toC at the pointP. Given the gradient4/3, find the equation of ...
10 A circle has the equation x^2+y^2+4x+6y-12=0 .(i)Find the coordinates of the centre of the circle and the radius of the circle.The highest point of the circle is A.(ii) State the equation of the tangent to the circle at A.(iii) Determine whether the point (0, -7...
Ask a question Search AnswersLearn more about this topic: Unit Circle Tangent | Definition, Values & Examples from Chapter 20 / Lesson 2 60K Understand what a unit circle is. Discover the tangent of a unit circle and examine the unit circle chart. Find the tangent values of the unit...
Find the area of the sector of a circle with radius 4 cm and of angle 30∘. Also, find the area of the corresponding major sector View Solution Find the length of a tangent drawn to a circle with radius 5 cm, from a point 13 cm from the centre of the circle. View Solution ...
Knowledge Check Find the length of the chord intercepted by the circle x2+y2−8x−6y=0 on the line x−7y−8=0. A5 B√2 C5√2 D6Submit The y-intercept of the circle x2+y2+4x+8y−5=0 is View Solution Find the equation of tangents of the circle x2+y2−8x−...
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 ...
9 A circle with centre C has eq uationx^2+y^2-8x-2y-3=0 .(i)Find the coordinates of C and the radius of the circle.[3](ii)Find the values of k for which the line y= k is a tangent to the circle, giving your answers in simplified surd form.[3](iii) The points ...
Let’s use a triangle with sides the length of 3, 4 and 5 as an example. The circle is inscribed in the triangle. Each side is tangent to the actual circle. Now the radius needs to be revealed to work the rest of the question to find a correct answer. The radius measures the leng...
Tangent of a Circle | Definition, Formula & Examples 3:52 Measure of an Arc: Process & Practice 4:51 Chord of a Circle | Formula, Length & Examples 5:39 How to Find the Measure of an Inscribed Angle 5:09 Inscribed and Circumscribed Figures: Definition & Construction 6:32 Theorem...