Step 1: Write out the formulae.
[tex]\sin \theta=\frac{\text{ length of side opposite to }\theta}{\text{ length of the hypotenuse}}[/tex][tex]\cos \theta=\frac{\text{ length of side adjacent to }\theta}{\text{ length of the hypotenuse}}[/tex]Step 2: Write out the given values and substitute them into the formulae
From the diagram,
The
