4.8
Trig & Pythagoras
Right‑triangle trig; Pythagoras; sine/cosine rule; area; 3D trig.
Syllabus Statements
- Know, understand and use Pythagoras' theorem in two dimensions
- Know, understand and use sine, cosine and tangent of acute angles to determine lengths and angles of a right-angled triangle
- Apply trigonometrical methods to solve problems in two dimensions
Other
4.8.1 Pythagoras Theorem
Corbett Maths · Video
Pythagoras' Theorem
4.8.2 Sin Cos Tan
Corbett Maths · Video
SOHCAHTOA (Trigonometry)
4.8.4 Sine and Cosine Rule
Corbett Maths · Video
The Cosine Rule Video (Part 1)
4.8.5 3D Pythagoras
Corbett Maths · Video
3d Pythagoras and Trigonometry Video