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Identidades Trigonométricas-Shirley Rodríguez

Authored by Luis Tello

Mathematics

11th Grade

Used 1+ times

Identidades Trigonométricas-Shirley Rodríguez
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Realizar la siguiente identidad: sin3asin5acos3a+cos5a\frac{\sin3a-\sin5a}{\cos3a+\cos5a} 

 sin(a)\sin\left(-a\right)  

 tana\tan a  

 tana-\tan a  

 cosa\cos a  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Desarrollar la identidad trigonométrica: sin2a1cos2a×sin2acosa\frac{\sin2a}{1-\cos^2a}\times\frac{\sin2a}{\cos a}  

 2cosa2\cos a  

 4cosa4\cos a  

 4sina4\sin a  

 2sina2\sin a  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Hallar la identidad: cosα+tanαcosα×tanα\frac{\cos\alpha+\tan\alpha}{\cos\alpha\times\tan\alpha}  

 secα\sec\alpha  

 1cosα\frac{1}{\cos\alpha}  

 cosαsenα\frac{\cos\alpha}{sen\alpha}  

 cotα+secα\cot\alpha+\sec\alpha  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resuelve la identidad: 1sen4αcos2α\frac{1-sen^4\alpha}{\cos^2\alpha}  

 1sen2α1-sen^2\alpha  

 1cos2α1-\cos^2\alpha  

 2cos2α2-\cos^2\alpha  

 2+cos2α2+\cos^2\alpha  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplificando 3cosx4cos3xsen2xcosx\frac{3\cos x-4\cos^3x}{sen2x-\cos x}  se obtiene:

 2sen x+12sen\ x+1  

 2sen x12sen\ x-1  

 sen x1sen\ x-1  

 sen x+1sen\ x+1  

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