Flashcards
Maths Revision
Cards in this deck (5)
- 1What is the formula for Pythagoras?C² = A² + B²
- 2What are the three ratios for Trigonometry?Sine, Cosine, Tangent
(Sin, Cos, Tan) - 3What are the equations for sin, cos and tan?SOH CAH TOA
SOH : Sin = opp/hyp
CAH : Cos = adj/hyp
TOA : Tan = opp/adj - 4What is the quadratic formula?
- 5How do you expand double brackets (what order/ method? Expand : (x + 3) (3x - 5)(x + 3) (3x - 5)
3x² - 15 + 9x -5x
3x² +4x -15