Find Side of Right-Angled Triangle using Sine ratio
Use Casio calculator to find opposite side of triangle, given hypotenuse and angle, using trigonometry.
0:00 Introduction
0:19 Trigonometry
0:38 SOHCAHTOA
0:55 Label sides: hypotenuse, opposite
1:38 Formula using sine ratio = opposite / hypotenuse
1:59 Rearrange formula
2:18 Use Casio calculator, checking mode is "Degree"
3:03 Round answer to 3 sf
3:25 Check answer is sensible