4.4 Exercises
From Förberedande kurs i matematik 1
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Revision as of 11:20, 3 April 2008
Övning 4.4:1
För vilka vinklar \displaystyle \,v\,, där \displaystyle \,0 \leq v\leq 2\pi\,, gäller att
| a) | \displaystyle \sin{v}=\displaystyle \frac{1}{2} | b) | \displaystyle \cos{v}=\displaystyle \frac{1}{2} |
| c) | \displaystyle \sin{v}=1 | d) | \displaystyle \tan{v}=1 |
| e) | \displaystyle \cos{v}=2 | f) | \displaystyle \sin{v}=-\displaystyle \frac{1}{2}$ |
| g) | \displaystyle \tan{v}=-\displaystyle \frac{1}{\sqrt{3}} |
Svar
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Lösning a
Lösning b
Lösning c
Lösning d
Lösning e
Lösning f
Lösning g
