MathematicsCode 4024
Right-angled triangles
What this topic asks you to be able to do
- Know the sine, cosine and tangent ratios of acute angles, and apply them when calculating the lengths of sides and the sizes of angles in a right-angled triangle
- Solve two-dimensional problems by means of Pythagoras’ theorem and trigonometry
- Know that a point is closest to a line when the distance is measured along the perpendicular to that line
- Carry out the working for problems with angles of elevation and angles of depression