The angles are labelled with capital letters. The opposite sides are labelled with lower case letters. Notice that an angle and its opposite side are the same letter. The sine rule is: \(\frac{a}{\sin ...

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...

Referees will be permitted to send players out of a match for 10 minutes should a sin bin rule be introduced in football. Hannah Mckay/Reuters Professional football could be in line for a significant ...