
Trigonometría Identidades
Authored by Diego Alexander Suarez Gutierrez
Mathematics
11th Grade

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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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