cos1050+cos750=

9-KL 3-SHEREK

Quiz
•
Mathematics
•
9th Grade
•
Hard
Rashid Berdiniyazov
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3
2
1
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
sin(π-β)=
-sinβ
-tgβ
sinβ
cosβ
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2sin150cos150
1/2
1
0
-1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
cos2α-sin2α=
cos2α
sin2α
1
2sinα
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
sin2α=
2sinαcosβ
2sinαcosα
2cosαsinβ
cos2α-sin2α
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
sin730cos170+cos730sin170=
3
2
1
0
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
cos(α+β)=
cosαcosβ-sinαsinβ
cosαcosβ+sinαsinβ
sinαcosβ-cosαsinβ
sinαcosβ-cosαsinβ
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