# Trigonometry

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- Created by: Sunset
- Created on: 12-05-13 17:25

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Trigonometry allows you to find a side or angle in a right-angled triangle.

Here are the Trig ratios:

**Sine - opposite/hypotenuse **

**Cosine - adjacent/hypotenuse**

**Tangent - opposite/adjacent**

These can be remembered using: **SOHCAHTOA**

You need to know which side is which:

Hypotenuse - longest side opposite right angle

Opposite - imagine you are stood behind angle. The side opposite.

Adjacent - other side, touches the angle.

**Finding a Side**

You will be given an angle. In this case you are given 52 degrees.

You will be given one side, in this case…

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