As the tangent is a straight line ... of P to find the value of \(c\) in the equation. Find the equation of the tangent to the circle \(x^2 + y^2 = 25 \) at the point (3, -4).

You can also use this method to find the point of contact of a tangent to a curve when given the equation of the curve and the gradient of the tangent. Find the point of contact between the ...

Find the equation of the tangent line to \(y=f(x)\) at \(x=1\text{.}\) Find the slopes of those tangent lines. Find the equation of those tangent lines. Find the point(s) on the curve \(y=x^3\) where ...

An object is moving counter-clockwise along a circle with the centre at the origin. At \(t=0\) the object is at point \(A(0,5)\) and at \(t=2\pi\) it is back to point \(A\) for the first time.