As a tangent is a straight line it is described by an equation in the form \(y - b = m(x - a)\). You need both a point and the gradient to find its equation. You are usually given the point - it's ...

In 1924 at the age of 19, celebrated Chilean poet Pablo Neruda published Twenty Love Poems and a Song of Despair. The collection, arguably his most beloved, includes a poem titled “Every Day You ...