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Identidades trigonométricas

Authored by Jorge Fernández López

Mathematics

12th Grade

Used 2+ times

Identidades trigonométricas
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 sen2x(21sec2x)=sen^2x-\left(2-\frac{1}{\sec^2x}\right)=  



Simplificando esta expresión obtenemos:

1

-1

2

senx

Ninguno

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 tanxsenx=\frac{\tan x}{senx}=  Simplificando esta expresión, tenemos:

cosx

senx

secx

1

Ninguno

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 tanx+ctgxsecx.cscx=\frac{\tan x+\operatorname{ctg}x}{\sec x.\csc x}=  Simplificando esta expresión, obtenemos:

1

senx

cosx

tanx

Ninguno

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 ctgx.secx=\operatorname{ctg}x.\sec x=  



Simplificando esta expresión, obtenemos:

secx

senx

cosx

cscx

Ninguno

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

sen75º=

82\frac{\sqrt{8}}{2}

624\frac{\sqrt{6}-\sqrt{2}}{4}

6+24\frac{\sqrt{6}+\sqrt{2}}{4}

2\sqrt{2}

Ninguno

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

El valor de x en este triángulo es:

15

434\sqrt{3}

9

12

Ninguno es cierto

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

En esta imagen el valor de x es:

No se puede saber

36,9 º

53,1 º

45,3 º

Ninguna es cierta

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