IDENTIDADES TRIGONOMÉTRICAS 1

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9th Grade

13 Qs

quiz-placeholder

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IDENTIDADES TRIGONOMÉTRICAS 1

IDENTIDADES TRIGONOMÉTRICAS 1

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

VASQUEZ A. vasquezcafronymatematicas@gmail.com

Used 33+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Son identidades trigonométrica fundamentales recíprocas...

 senα=1cscαsen\alpha=\frac{1}{\csc\alpha}  

 tan2α+1=sec2α\tan^2\alpha+1=\sec^2\alpha  

 sen2α+cos2α=1sen^2\alpha+\cos^2\alpha=1  

 tanα=1cotα\tan\alpha=\frac{1}{\cot\alpha}  

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Son identidades trigonométrica fundamentales pitagóricas...

 senα=1cscαsen\alpha=\frac{1}{\csc\alpha}  

 tan2α+1=sec2α\tan^2\alpha+1=\sec^2\alpha  

 sen2α+cos2α=1sen^2\alpha+\cos^2\alpha=1  

 tanα=1cotα\tan\alpha=\frac{1}{\cot\alpha}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

del triángulo se tiene sen\alpha=\frac{a}{b}

del triángulo se tiene senα=acsen\alpha=\frac{a}{c}

del triángulo se tiene senα=bcsen\alpha=\frac{b}{c}

del triángulo se tiene senα=cbsen\alpha=\frac{c}{b}

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

del triángulo se tiene tanα=ab\tan\alpha=\frac{a}{b}

del triángulo se tiene tanα=ac\tan\alpha=\frac{a}{c}

del triángulo se tiene tanα=bc\tan\alpha=\frac{b}{c}

del triángulo se tiene tanα=cb\tan\alpha=\frac{c}{b}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sea  α\alpha  un ángulo en posición normal y  P(x,y)    (P(x,y)O(0,0))P\left(x,y\right)\ \ \ \ \left(P\left(x,y\right)\ne O\left(0,0\right)\right)  un punto contenido en su lado final tal que  x2+y2=r2x^2+y^2=r^2  , entonces...

 secα=rx , x0\sec\alpha=\frac{r}{x}\ ,\ x\ne0  

 secα=ry , y0\sec\alpha=\frac{r}{y}\ ,\ y\ne0  

 secα=yr \sec\alpha=\frac{y}{r}\   

 secα=xr\sec\alpha=\frac{x}{r}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sea α\alpha un ángulo en posición normal y P(x,y) (P(x,y)O(0,0))P\left(x,y\right)\ \ \ \ \left(P\left(x,y\right)\ne O\left(0,0\right)\right) un punto contenido en su lado final tal que x2+y2=r2x^2+y^2=r^2 , entonces...

cotα=yx , x0\cot\alpha=\frac{y}{x}\ ,\ x\ne0

cotα=xy , y0\cot\alpha=\frac{x}{y}\ ,\ y\ne0

cotα=yr \cot\alpha=\frac{y}{r}\

cotα=xr\cot\alpha=\frac{x}{r}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 secα\sec\alpha  es equivalente a

 1secα\frac{1}{\sec\alpha}  

 1tanα\frac{1}{\tan\alpha}  

 1senα\frac{1}{sen\alpha}  

 1cosα\frac{1}{\cos\alpha}  

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