МАТ ТРИГОНОМЕТРИЯ

МАТ ТРИГОНОМЕТРИЯ

11th Grade

25 Qs

quiz-placeholder

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МАТ ТРИГОНОМЕТРИЯ

МАТ ТРИГОНОМЕТРИЯ

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Togzhan Azimbai

Used 107+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

𝑐𝑜𝑠(𝛼 + 𝛽) =

𝑐𝑜𝑠𝛼𝑐𝑜𝑠𝛽 + 𝑠𝑖𝑛𝛼𝑠𝑖𝑛𝛽

𝑐𝑜𝑠𝛼𝑐𝑜𝑠𝛽 − 𝑠𝑖𝑛𝛼𝑠𝑖𝑛𝛽

𝑠𝑖𝑛𝛼𝑠𝑖𝑛𝛽 − 𝑐𝑜𝑠𝛼𝑐𝑜𝑠𝛽

𝑠𝑖𝑛𝛼𝑠𝑖𝑛𝛽 * 𝑐𝑜𝑠𝛼𝑐𝑜𝑠𝛽

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

𝑠𝑖𝑛𝛼 ∙ 𝑐𝑜𝑠𝛽 =

1/2 (cos(𝛼 - 𝛽) + 𝑠𝑖𝑛(𝛼 − 𝛽))

1/2 (𝑠𝑖𝑛(𝛼 + 𝛽) + 𝑠𝑖𝑛(𝛼 + 𝛽))

1/2 (𝑠𝑖𝑛(𝛼 + 𝛽) + 𝑠𝑖𝑛(𝛼 − 𝛽))

1/2 (cos(𝛼 + 𝛽) + 𝑠𝑖𝑛(𝛼 − 𝛽))

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

𝑠𝑖𝑛𝛼 ∙ 𝑠𝑖𝑛𝛽 =

= 1 /2 (𝑐𝑜𝑠(𝛼 − 𝛽) − 𝑐𝑜𝑠(𝛼 + 𝛽))

= 1 /2 (𝑐𝑜𝑠(𝛼 +𝛽) − 𝑐𝑜𝑠(𝛼 + 𝛽))

= 1 /2 (sin(𝛼 − 𝛽) − (𝑐𝑜𝑠 + 𝛽))

= 1 /2 (sin(𝛼 + 𝛽) − (𝑐𝑜𝑠 + 𝛽))

4.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

𝑐𝑜𝑠2𝛼 =

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

𝑠𝑖𝑛(𝑎𝑟𝑐𝑠𝑖𝑛𝑥)=

cosx

x

sinx

arcsinx

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