Draw the radius from the centre of the circle to P. The tangent will have an equation in the form \(y = mx + c\) First, find \(m\), the gradient of the tangent. The gradient of the radius is given ...
Draw the radius from the centre of the circle to P. The tangent will have an equation in the form \(y = mx + c\). First, find \(m\), the gradient of the tangent. The gradient of the radius is ...
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