Trigonometry 2 (AQA GCSE Maths): Flashcards

$\sin = \frac{\text{opp}}{\text{hyp}}$

$\cos = \frac{\text{adj}}{\text{hyp}}$

$\tan = \frac{\text{opp}}{\text{adj}}$

Side directly across from the angle

Side next to the angle (not the hypotenuse)

Longest side, opposite the right angle

Angle measured upwards from horizontal

Angle measured downwards from horizontal

The horizontal line

Form alternate angles (equal with parallel lines)