Notiuni de trigonometrie in triunghiul dreptunghic
Authored by Flavius -thebest
Mathematics
1st Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula sinusului unghiului C ?
AC/BC
BC/AB
AB/BC
AC/BC
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce valori au cos si sin pentru unghiul de 45°?
√2/2;√2/2
√3/2;√2/2
2√5/4;2/√3
√3/3;1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AB²=BC²+AC²-2BC⋅AC⋅cos C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin² X°+cos² X°=?
AB²+AC²=BC²
AB²=BC⋅BD
AD²=BD⋅DC
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este complementul unui unghi de 30°
90°
60°
50°
180°
150°
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cu ce este egala tangenta de unghiul B?
90°
AB²=BC²+AC²-2BC
sin B/cos B
AC/BC
c²=a²+b²-2a²
Answer explanation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu cat sunt egale tangenta si contangenta unghiului de 45°
1;1
√2/2;√2/2
√3/2;√2/3
√3/1
1
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