| a)
| \displaystyle \displaystyle v=\frac{\pi}{6}\,, \displaystyle \,\displaystyle v=\frac{5\pi}{6}
| b)
| \displaystyle \displaystyle v=\frac{\pi}{3}\,, \displaystyle \,\displaystyle v=\frac{5\pi}{3}
|
| c)
| \displaystyle \displaystyle v=\frac{\pi}{2}
| d)
| \displaystyle \displaystyle v=\frac{\pi}{4}\,, \displaystyle \,\displaystyle v=\frac{5\pi}{4}
|
| e)
| lösning saknas
| f)
| \displaystyle \displaystyle v=\frac{11\pi}{6}\,, \displaystyle \,\displaystyle v=\frac{7\pi}{6}
|
| g)
| \displaystyle \displaystyle v=\frac{5\pi}{6}\,, \displaystyle \,\displaystyle v=\frac{11\pi}{6}
|
