а=4 см в=3 см с=?

тригонометрия

Quiz
•
Mathematics
•
8th Grade
•
Hard
Akku Adykanova
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6
5
7
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tga*ctga=
1/2
√3
1
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tga=
ctga
cosa/sina
sina/cosa
sina +cosa
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ctga =
cosa/sina
sina
tga•ctga
sina/cosa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin2a+cos2a=
1/2
1
√2/2
0,5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin30=
1/3
1/4
1/2
1/5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a=6 см в=8см с=?
9
8
10
11
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