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Trigonometría Identidades

Authored by Diego Alexander Suarez Gutierrez

Mathematics

11th Grade

Trigonometría Identidades
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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Simplifica la expresión trigonométrica: sin^2(x) + cos^2(x)

1

tan(x)

0

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resuelve la ecuación trigonométrica: 2sin(x)cos(x) = sin(x)

x = 3π/4 + 2πn

x = π/4 + 2πn

x = π/3 + 2πn, x = 5π/3 + 2πn

x = 2π/3 + 2πn

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Utilizando la identidad cos(2x) = cos^2(x) - sin^2(x), encuentra el valor de cos(120°)

-0.5

0.25

0.5

-0.25

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Demuestra la identidad trigonométrica: tan(x) = sin(x) / cos(x)

tan(x) = cos(x) / sin^2(x)

tan(x) = sin(x) / cos(x)

tan(x) = cos(x) / sin(x)

tan(x) = sin^2(x) / cos(x)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resuelve la ecuación trigonométrica: 2cos^2(x) - 3cos(x) + 1 = 0

x = π/4 + 2πn

x = π/3 + 2πn, x = 0 + 2πn, x = 2πn

x = 3π/2 + 2πn

x = 5π/6 + 2πn

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Usando la identidad tan(x) = sin(x) / cos(x), encuentra el valor de tan(45°)

1

0.5

2

1.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplifica la expresión trigonométrica: 1 - cos^2(x)

sin^2(x)

cos^2(x)

tan^2(x)

1 - sin^2(x)

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