4.3 Exercises
From Förberedande kurs i matematik 1
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Revision as of 08:29, 3 April 2008
Övning 4.3:1
Bestäm de vinklar \displaystyle \,v\, mellan \displaystyle \,\displaystyle \frac{\pi}{2}\, och \displaystyle \,2\pi\, som uppfyller
| a) | \displaystyle \cos{v}=\cos{\displaystyle \frac{\pi}{5}} | b) | \displaystyle \sin{v}=\sin{\displaystyle \frac{\pi}{7}} | c) | \displaystyle \tan{v}=\tan{\displaystyle \frac{2\pi}{7}} |
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