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 ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results