Skip to content
Get started
Mathematics 0580

6. Trigonometry

Pythagoras, SOHCAHTOA, the sine and cosine rules, and 3D problems.

  1. 6.1

    Pythagoras and right-angled trigonometry

    Finding sides and angles in right-angled triangles.

    Full lesson2 questions7 cards
    • 6.1.1Apply Pythagoras' theorem and the trigonometric ratios in right-angled triangles.
  2. 6.2

    Sine rule, cosine rule and area of a triangle

    Trigonometry in triangles without a right angle.

    Full lesson2 questions6 cardsReview first: 6.1
    • 6.2.1Use the sine and cosine rules and the formula ½ab sin C for area.