Answer 5.1:2
From Förberedande kurs i matematik 1
| a) | <math>\cos{v} = \cos{\displaystyle \frac{3\pi}{2}}</math> | b) | <math>\tan\displaystyle\frac{u}{2}=\frac{\sin u}{1+\cos u}</math> |
| c) | <math>\left\{\eqalign{ x&=n\pi\cr | d) | <math> \bigl(\sqrt[\scriptstyle4]3\,\bigr)^3\ \sqrt{2 + \sqrt{4}}</math> |
