Answer 4.4:5
From Förberedande kurs i matematik 1
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			 (Ny sida: {| width="100%" cellspacing="10px" |a) |width="50%" | <math>\left\{\eqalign{ x&=n\pi\cr x&=\displaystyle \frac{\pi}{4}+\displaystyle \frac{n\pi}{2} }\right.</math> |b) |width="50%"  | <math...)  | 
				m  (Svar 4.4:5 moved to Answer 4.4:5: Robot: moved page)  | 
			
Current revision
| a) |  \displaystyle \left\{\eqalign{
 x&=n\pi\cr x&=\displaystyle \frac{\pi}{4}+\displaystyle \frac{n\pi}{2} }\right.  | b) | \displaystyle x=\displaystyle \frac{n\pi}{3} | 
| c) |  \displaystyle \left\{\eqalign{
 x&=\displaystyle \frac{\pi}{20}+\displaystyle \frac{n\pi}{2}\cr x&=-\displaystyle \frac{\pi}{30}+\displaystyle \frac{n\pi}{3} }\right.  | 
