Trigonometry 2 (Edexcel GCSE Maths): Flashcards

📚Flashcards
Trigonometry 2
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

12 cards from this deck

Show

Hypotenuse definition

Longest side, opposite the right angle

Opposite side definition

Side directly across from the given angle

Adjacent side definition

Side next to given angle (not hypotenuse)

sinθ\sin \theta formula

oppositehypotenuse\frac{\text{opposite}}{\text{hypotenuse}}

cosθ\cos \theta formula

adjacenthypotenuse\frac{\text{adjacent}}{\text{hypotenuse}}

tanθ\tan \theta formula

oppositeadjacent\frac{\text{opposite}}{\text{adjacent}}

Angle of elevation

Angle upwards from horizontal

Angle of depression

Angle downwards from horizontal

Reference line for elevation/depression angles

Horizontal line, not vertical

Alternate angles in elevation/depression problems

Angles on opposite sides of parallel horizontals are equal

First step before using trig ratios

Label triangle sides relative to the angle

Calculator figures to write before rounding

At least 4 figures

Join 100,000+ GCSE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.