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FUNCIONES TRIGONOMETRICAS

Authored by ROY ASQUI

Mathematics, Science, Philosophy

1st - 2nd Grade

Used 1+ times

FUNCIONES TRIGONOMETRICAS
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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Halle el periodo de la función real  ff   definida por f(x)=cos8x+sen5xf\left(x\right)=\cos8x+sen5x   

 π8\frac{\pi}{8}  

 π\pi  

 2π2\pi  

 2π15\frac{2\pi}{15}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si el rango de la función real  ff  definida por  f(x)=12cos(π4senx)f\left(x\right)=1-2\cos\left(\frac{\pi}{4}senx\right)  es  [a,b]\left[a,b\right] ,halle  (1+2)b+a\left(1+\sqrt{2}\right)b+a .

-2

-1

1

3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si [a,b]\left[a,b\right]  es el rango de la función real  ff  definida por  f(x)=sen2xcos2x,0xπ2,f\left(x\right)=sen2x-\cos2x,0\le x\le\frac{\pi}{2},  calcule  a2+b21a^2+b^2-1 


0

1

2

3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Halle el rango de la función real  f  definida por  f\left(x\right)=5-\cos4x-4sen^22x .

[-4,6]

<-2,2>

[2,4]

<-1,5>

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcular los puntos de intersección de las siguientes funciones:  f(x)=2x2+4x+2f\left(x\right)=2x^2+4x+2  

 g(x)=2x2+x+1g\left(x\right)=2x^2+x+1  

 (13,89)\left(-\frac{1}{3},\frac{8}{9}\right)  

 (13,98)\left(\frac{1}{3},\frac{9}{8}\right)  

(-3,-1)

 (23, 18)\left(\frac{-2}{3},\ \frac{1}{8}\right)  

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