From Förberedande kurs i matematik 1
Övning 4.2:1
Bestäm längden av sidan som är markerad med x uttryckt med hjälp av de trigonometriska funktionerna.
Svar 4.2:1
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Övning 4.2:2
Bestäm en trigonometrisk ekvation som vinkeln v uppfyller.
Svar 4.2:2
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Övning 4.2:3
Svar 4.2:3
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Övning 4.2:4
Svar 4.2:4
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Övning 4.2:5
Bestäm
a)
| cos135
| b)
| tan225
| c)
| \displaystyle \cos{330^\circ}
|
d)
| \displaystyle \tan{495^\circ}
|
Svar 4.2:5
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4.2 - Figur - Två trianglar med vinklar 45° resp. 60° och höjdskillnad x
4.2 - Figur - Älv
4.2 - Figur - Hängande stång
4.2 - Figur - Bilväg från A till B via P och Q