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EXAMEN BIMESTRAL DE TRIGONOMETRÍA ( PRE )

Authored by WILMER CASTILLO

Mathematics

University

Used 1+ times

EXAMEN BIMESTRAL DE TRIGONOMETRÍA ( PRE )
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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 Del graˊfico, calcula "Secα", (La fig. es un  cuadrado)Del\ gráfico,\ calcula\ "Sec\alpha",\ \left(La\ fig.\ es\ un\ \ cuadrado\right)  

 22  

 5\sqrt{5}  

 33  

 52\frac{\sqrt{5}}{2}  

 12\frac{1}{2}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image


135\frac{13}{5}

33

513\frac{5}{13}

44

22

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Un niño de 1.5 m de estatura; está ubicado a 6 m de una torre y observa su parte más alta con un ángulo de elevación de 53°. ¿Cuál es la altura de la torre?

6.56.5

77


9.59.5

99

88

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Determinar el valor de "x"

a(senαtanβ)a\left(sen\alpha-\tan\beta\right)

a(ctgβcosα)a\left(\operatorname{ctg}\beta-\cos\alpha\right)

a(secα+senβ)a\left(\sec\alpha+sen\beta\right)

a(tanα+ctgβ)a\left(\tan\alpha+\operatorname{ctg}\beta\right)

a(tanαsenβ)a\left(\tan\alpha-sen\beta\right)

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A un alumno se le pide calcular el área de un sector circular cuyo ángulo central es " x° " , pero al aplicar la fórmula escribe " x rad " obteniendo un área de valor " M ", si el área correcta es " N ". 

 Calcular: NMCalcular:\ \frac{N}{M}  

 180π\frac{180}{\pi}  

 π180\frac{\pi}{180}  

 9π\frac{9}{\pi}  

 π9\frac{\pi}{9}  

 19\frac{1}{9}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Del triángulo calcular " cotβ "


104\frac{\sqrt{10}}{4}

2105\frac{2\sqrt{10}}{5}

105\frac{\sqrt{10}}{5}

210\frac{2}{\sqrt{10}}

10\sqrt{10}

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

44

22

88


1010

66

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