Saturday

March 28, 2015

March 28, 2015

Posted by **yuia** on Monday, February 25, 2013 at 11:43pm.

- pre-calculus -
**Steve**, Tuesday, February 26, 2013 at 12:39amIf the tangent hits the circle at (h,k)

it has length

L^2 + 1 = 16

L = sqrt(15)

h^2 + k^2 = 1

(4+h)^2 + k^2 = 15

Solve for h,k, and the slope is

k/(4+h)

**Answer this Question**

**Related Questions**

Geometry - Circles and tangents - Two circles of radius 1 are externally tangent...

calculus - conic sections question 1: verify that the point (3,2) lies on the ...

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

geometry - Two tangents drawn to a circle from an external point intercept a ...

Math - Two lengths are drawn from a Point P to a circle centre (o). The radius ...

maths - Two tangents XY and XZ are drawn from a point X to a circle with center ...

Math (Pre Cal) - Hi, I am studying for a precalculus quiz and I do not ...

calculus - The parametric curve x(t)=3cos(t) y(t)=7sin(2t) intersects itself at ...