
Funciones Trigonométricas de la Suma y Diferencia
Authored by Rolando Montaño
Mathematics
University
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula para la suma de dos ángulos en las funciones trigonométricas?
sen(a + b) = sen(a)cos(b) + cos(a)sen(b) y cos(a + b) = cos(a)cos(b) - sen(a)sen(b)
sen(a + b) = sen(a)sen(b) + cos(a)cos(b)
cos(a + b) = cos(a) + cos(b)
tan(a + b) = tan(a) + tan(b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve el siguiente problema: Si sen(x) = 3/5 y cos(y) = 4/5, encuentra el valor de sen(x+y).
3/4
1/5
24/25
2/5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aplica la propiedad de la tangente para encontrar el valor de tan(π/4 + π/6).
tan(π/4 + π/6) = (tan(π/4) + tan(π/6)) / (1 - tan(π/4) * tan(π/6)) = (1 + √3/3) / (1 - 1*√3/3) = (1 + √3/3) / (1 - √3/3) = 2 + √3
tan(π/4 + π/6) = tan(π/4) - tan(π/6)
tan(π/4 + π/6) = tan(π/4) * tan(π/6)
tan(π/4 + π/6) = tan(π/4) + tan(π/6)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula para la diferencia de dos ángulos en las funciones trigonométricas?
sin(a - b) = sin(a)cos(b) - cos(a)sin(b)
cos(a + b) = cos(a)cos(b) - sin(a)sin(b)
tan(a - b) = tan(a) - tan(b)
cos(a - b) = cos(a)cos(b) + sin(a)sin(b)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve el siguiente problema: Si cos(a) = 1/2 y sen(b) = √3/2, encuentra el valor de cos(a-b).
2/3
1/2
1/3
3/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Demuestra la identidad trigonométrica: sen(x+y) = sen(x)cos(y) + cos(x)sen(y).
sen(x+y) = cos(x)cos(y) - sen(x)sen(y)
sen(x+y) = cos(x+y)
sen(x+y) = sen(x)sen(y) + cos(x)cos(y)
sen(x+y) = sen(x)cos(y) + cos(x)sen(y)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el valor de cos(π/3 - π/6) utilizando la fórmula de diferencia de ángulos.
El valor de cos(π/3 - π/6) es 1/2 * √3/2 + √3/2 * 1/2 = √3/4 + √3/4 = √3/2
2/3
1/2
1/4
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