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Evaluación identidades de ángulo doble

Authored by Oscar Carvajal

Mathematics

10th Grade

Used 3+ times

Evaluación identidades de ángulo doble
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Reducir:  Sen 2x Csc x + Cot x Sen xCos xReducir:\ \frac{\ Sen\ 2x\ Csc\ x\ +\ Cot\ x\ Sen\ x}{Cos\ x}  

1

2

3

 13\frac{1}{3}  

 16\frac{1}{6}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Simplificar:     2Cot 2x Tan x + Tan2 xSimplificar:\ \ \ \ \ 2Cot\ 2x\ Tan\ x\ +\ Tan^2\ x  

1

 Tan xTan\ x  

 Tan 2xTan\ 2x  

 Sen xSen\ x  

 Cos xCos\ x  

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Redusir: Cos 8x  Sen 8xCos 2x + 2 Sen2 x Cos2 xRedusir:\ \frac{Cos\ 8x\ -\ Sen\ 8x}{Cos\ 2x}\ +\ 2\ Sen^2\ x\ Cos^2\ x  

1

-1

2

-2

4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Reducir:  ( Sec2 x + Csc2 x) Sen2 2xReducir:\ \ \left(\ Sec^2\ x\ +\ Csc^2\ x\right)\ Sen^2\ 2x  

1

2

4

8

16

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Si β es un angulo agudo; tal que: Tan β =14 ; Calcular: 17 Cos 2β  1Si\ \beta\ es\ un\ angulo\ agudo;\ tal\ que:\ Tan\ \beta\ =\frac{1}{4}\ ;\ Calcular:\ 17\ Cos\ 2\beta\ -\ 1  

12

13

14

15

9

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Calcular un valor agudo de x que cumple: Cos4 x  Sen4 x =12Calcular\ un\ valor\ agudo\ de\ x\ que\ cumple:\ Cos^4\ x\ -\ Sen^4\ x\ =\frac{1}{2}  

10°

20°

15°

25°

30°

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Si: Sen x  Cos x = 13 ; Calcular Sen 2xSi:\ Sen\ x\ -\ Cos\ x\ =\ \frac{1}{\sqrt{3}}\ ;\ Calcular\ Sen\ 2x  

 13\frac{1}{3}  

 23\frac{2}{3}  

 23\frac{2}{\sqrt{3}}  

 34\frac{3}{4}  

 23\frac{\sqrt{2}}{3}  

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