Precalculus (6th Edition) Blitzer

1) We are given that the triangle is a right angled triangle and the two angles are $30^{\circ}$ and $60^{\circ}$. 2) The hypotenuse side is equal to $\sqrt 2$ units. 3) The opposite sides at $30^{\circ}$ is $1$ unit. 4) The other opposite side at $60^{\circ}$ is $\sqrt 3$ units.