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lượng giác

Authored by uyên thảo

Mathematics

12th Grade

Used 1+ times

lượng giác
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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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