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LEY DEL SENO - LEY DEL COSENO

Authored by VASQUEZ A. vasquezcafronymatematicas@gmail.com

Mathematics

9th Grade

Used 252+ times

LEY DEL SENO - LEY DEL COSENO
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11 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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senAa=senBc\frac{senA}{a}=\frac{senB}{c}

senAc=senBb\frac{senA}{c}=\frac{senB}{b}

senBb=senCc\frac{senB}{b}=\frac{senC}{c}

senBb=senCa\frac{senB}{b}=\frac{senC}{a}

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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bsenA=asenBb\cdot senA=a\cdot senB

bsenA=csenBb\cdot senA=c\cdot senB

bsenC=asenBb\cdot senC=a\cdot senB

bsenA=asenCb\cdot senA=a\cdot senC

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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a2=b2+c22bccosBa^2=b^2+c^2-2\cdot b\cdot c\cdot\cos B

a2=b2+c22bccosCa^2=b^2+c^2-2\cdot b\cdot c\cdot\cos C

a2=b2+c22accosAa^2=b^2+c^2-2\cdot a\cdot c\cdot\cos A

a2=b2+c22bccosAa^2=b^2+c^2-2\cdot b\cdot c\cdot\cos A

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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sen 61,81a=sen 71,276,31\ \frac{sen\ 61,81}{a}=\frac{sen\ 71,27}{6,31}

sen 61,816,31=sen 71,27a\frac{sen\ 61,81}{6,31}=\frac{sen\ 71,27}{a}

sen 61,816,31=sen 46,92a\frac{sen\ 61,81}{6,31}=\frac{sen\ 46,92}{a}

sen 61,81a=sen 46,926,31\frac{sen\ 61,81}{a}=\frac{sen\ 46,92}{6,31}

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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sen A7,61=sen 71,278,18\ \frac{sen\ A}{7,61}=\frac{sen\ 71,27}{8,18}

sen A8,18=sen 71,277,61\frac{sen\ A}{8,18}=\frac{sen\ 71,27}{7,61}

sen A7,61=sen 71,276,31\frac{sen\ A}{7,61}=\frac{sen\ 71,27}{6,31}

sen A6,31=sen 71,277,61\frac{sen\ A}{6,31}=\frac{sen\ 71,27}{7,61}

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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b2=(7,61)2+(6,31)2b^2=\left(7,61\right)^2+\left(6,31\right)^2
2(7,61)(6,31)cos61,81-2\left(7,61\right)\left(6,31\right)\cos61,81

b2=(7,61)2+(6,31)2b^2=\left(7,61\right)^2+\left(6,31\right)^2
2(7,61)(6,31)cos71,27-2\left(7,61\right)\left(6,31\right)\cos71,27

b2=(7,61)2+(6,31)2b^2=\left(7,61\right)^2+\left(6,31\right)^2
2(7,61)(6,31)cos46,92-2\left(7,61\right)\left(6,31\right)\cos46,92

b2=(7,61)2+(6,31)2b^2=\left(7,61\right)^2+\left(6,31\right)^2
cos61,81-\cos61,81

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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ley del seno, porque se conocen un lado y dos ángulos

ley del seno, porque se conocen dos lados y el ángulo opuesto a uno de ellos

ley del coseno, porque se conocen dos lados y el ángulo comprendido entre ellos

ley del coseno, porque se conocen los tres lados

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