cos2a

МАТ-31 3 АЙ 2 АПТА

Quiz
•
Mathematics
•
11th Grade
•
Medium
biology juz
Used 3K+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos^2(a)-sin^2(a)
cos^2(a)+sin^2(a)
cos^2(a)-2sin^2(a)
1-sin^2(a)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin2a
sina*cosa
cosa+sina
2sina
2sinacosa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin3a
2sinacosa
3sinacosa
3sin(a)-4sin^3(a)
4sin(a)-3sin^3(a)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sina - sinb
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin^2 (a)
(1-cosA) / 2
(1-cos2A) / 2
(1-sin2A) / 2
(1-sinA) / 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos (a/2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(arcsinx)
x
sinx
cosx
2x / sinx
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