Келтіру формулалары
Authored by Marzhan Koishibekova
Mathematics
9th Grade
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(90+a)=?
sina
-sina
cosa
-cosa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg(180-a)=?
tga
ctga
-ctga
-tga
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(90-a)+cos(360-a)=?
1
0
2cosa
2sina
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ctga*cos(270+a)
sina
cosa
1
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg(270-a)*ctg(90-a)=?
1
2tga
2ctga
-1
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