Тригонометрические выражения

Тригонометрические выражения

10th Grade

10 Qs

quiz-placeholder

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Тригонометрические выражения

Тригонометрические выражения

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Гульнара Сеитова

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Преобразуйте выражение sin(x)cos(x) в виде суммы.

sin(x/2)cos(x/2)

0.5cos(2x)

0.5sin(2x)

sin^2(x)cos(x)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение tan(x)sec(x).

cos(x)/sin^2(x)

sin(x)/cos^2(x)

1/cos(x)

sin(x)/cos(x)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите значение выражения sin^2(x) - cos^2(x) при x = π/4.

0

π/4

-1

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Преобразуйте выражение cos(2x) в более простую форму.

2cos^2(x) - 1

cos^2(x) - sin^2(x)

2cos(x)

cos(x) + cos(x)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите значение выражения sin(π/6)cos(π/3).

1/5

1/3

1/4

1/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение tan(x)sin(x).

sin(x)/cos(x)

sin^2(x)/cos(x)

tan(x)/sin(x)

cos(x)/sin(x)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите значение выражения cos^2(x) - sin^2(x) при x = π/3.

-1/2

-1

0

1/2

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