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…