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ÁNGULOS COMPUESTOS 4TO

Authored by ALVARO SAMANEZ

Mathematics

1st - 10th Grade

Used 1+ times

ÁNGULOS COMPUESTOS 4TO
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11 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si:

 sen6x +cos6x =25sen^6x\ +\cos^6x\ =\frac{2}{5}  , calcular el valor de la siguiente expresión:
 (sec2x + csc2x)(cos4xcos2x +1)\left(\sec^2x\ +\ \csc^2x\right)\left(\cos^4x-\cos^2x\ +1\right)  

2

1

-2

4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Reducir la siguiente expresión:

 tan4x +cot4x 2tan2x+cot2x 2\frac{\tan^4x\ +\cot^4x\ -2}{\tan^2x+\cot^2x\ -2}  

 sec2x +1\sec^2x\ +1  

 sec2x.csc2x\sec^2x.\csc^2x  

 sec2x.cos2x\sec^2x.\cos^2x  

 tan2x+1\tan^2x+1  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplificar:

 sen2xsen2x1+csc2xcsc2x1+cot2x\frac{sen^2x}{sen^2x-1}+\frac{\csc^2x}{\csc^2x-1}+\cot^2x  

 sec2x\sec^2x  

 csc2x\csc^2x  

 sen2xsen^2x  

 cot2x\cot^2x  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Reducir:

 csc2x+sec2xtan2x+cot2x+2csc2x\frac{\csc^2x+\sec^2x}{\tan^2x+\cot^2x+2}-\csc^2x  


 2tan2x2\tan^2x  

 sec2x\sec^2x  

 tan2x-\tan^2x  

 cot2x-\cot^2x  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si:

 senxcosx=13senx-\cos x=\frac{1}{3}   ,



Calcular el valor de:


E=senx.cosx

 49\frac{4}{9}  

 16\frac{1}{6}  

 23\frac{2}{3}  

 13\frac{-1}{3}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

      Calcular el valor de:tan2x +2 +cot2x\ \ \ \ \ Calcular\ el\ valor\ de:\tan^2x\ +2\ +\cot^2x  si tenemos que: tanx + cotx=5

5

25

3

3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Reducir

  N=(tanx+cotx).cos2x\ N=\left(\tan x+\cot x\right).\cos^2x  

tanx

cotx

1

cscx

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