
lượng giác
Authored by uyên thảo
Mathematics
12th Grade
Used 1+ times

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66 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(a+b)
sinacosb+cosasinb
sinacosa+sinbcosb
sina+cosb
-cos(a+b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(a-b)
sinacosb-cosasinb
sina-cosb
sinasinb-cosacosb
-sin(a+b)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(a+b)
cosacosb-sinasinb
sinasinb-cosacosb
sinacosb-cosasinb
cosa-cosb
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(a-b)
cosacosb+sinasinb
sinasinb-cosacosb
cosacosb-sinasinb
cosa-cosb
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan(a+b)
tana+tanb/
1-tanaxtanb
tana-tanb/
1-tanaxtanb
tana+tanb/
1+tanaxtanb
tana-tanb/
1+tanaxtanb
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan(a-b)
tana+tanb/
1-tanaxtanb
tana-tanb/
1+tanaxtanb
tana+tanb/
1+tanaxtanb
tana-tanb/
1-tanaxtanb
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cot(a+b)
cotaxcotb-1/
cota+cotb
cotaxcotb+1/
cota-cotb
cota+cotb/
cotaxcotb-1
cota-cotb/
cotaxcotb+1
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