
Angulo doble, mitad y triple
Authored by Estefany Arias
Mathematics
6th Grade
Used 46+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si conocemos los valores de Sen x y Cos x, podemos hallar el valor de sen 2x si usamos la formula de _______ para Seno.
Ángulo doble
Ángulo triple
Ángulo mitad
Todas las anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formula para el seno del ángulo doble es:
Sen 2x= 2 sen (x) + cos (x)
Sen 2x= 2 sen (x) cos (x)
Sen 2x= 2 sen (x)- cos (x)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué identidad se utiliza en la deducción de la formula del seno en el ángulo doble?
Ambas identidades
La identidad fundamental
La identidad de la suma de dos ángulos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las formulas del coseno en el ángulo doble son:
cos2x=cos^2(x -sen^2 (x)
cos2x=1-2 sen^2 (x)
cos2x=2 cos^2(x)-1
Todas las anteriores
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué formula usaría para encontrar tan 120 grados?
sen 2x=2 sen (x) cos(x)
cos2x=1-2 sen^2 (x)
tan2x=(2 tanx)/(1-tan^2x )
tan2x=(2 tanx)/(1+tan^2x )
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si deseo encontrar las razones trigonométricas del ángulo α= 60°, y puedo expresar ese ángulo como α= 60°/2, ¿Qué formula puedo usar?
Ángulo triple
Ángulo doble
Ángulo mitad
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la deducción de las identidades del ángulo mitad, ¿Se usan identidades del ángulo doble?
Si
No
No estoy seguro/a
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