The mathematical study of triangles has just got a whole lot simpler, according to a researcher who says his new theory of trigonometry is easier to use and more accurate. Associate Professor Norman ...

We need to sketch the problem first. Find the size of angle R. The boat travels from the harbour in a NW direction. This is halfway between west and north so it is at an angle of 45° to the axis for ...

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...