We can calculate the gradient of a tangent to a curve by differentiating. In order to find the equation of a tangent, we: Differentiate the equation of the curve Substitute the \(x\) value into the ...
A tangent to a circle at point P is a straight line that touches the circle at P. The tangent is perpendicular to the radius which joins the centre of the circle to the point P. As the tangent is a ...
US rejects bid to buy 167 million tons of coal on public lands for less than a penny per ton Final warning for millions of Windows 10 users as support ends today Pass rusher Za’Darius Smith abruptly ...
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