# Sine

- Hypotenuse: The side opposite the right angle "C", is the hypotenuse "c".
- Opposite Leg: The side opposite to the angle needed "A", is the opposite side "a".
- Adjacent Leg: The side opposite the hypotenuse and next to the angle needed, is the adjacent side "b".

### abbreviations

**sin**- sine

### Sine formula

\(\large{ \ sin \theta= \frac {opposite}{hypotenuse} }\)