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allsm [11]
4 years ago
14

In ΔRST, s = 58 inches, ∠R=115° and ∠S=19°. Find the length of r, to the nearest 10th of an inch.

Mathematics
1 answer:
Lorico [155]4 years ago
8 0

Answer:

365.9 Inches

Step-by-step explanation:

To find the value of Sin A can be found using the sine rule. the rule states that the ratio of the length facing an angle in a triangle to the sine of the angle is constant. As such,

a/Sin A = b/Sin B = c/Sin C

Where is a is the side facing angle A, b is the side facing angle B and c is the side facing angle C.

Hence,

58/Sin 19 = r/Sin 115

r = 58 Sin 115/ Sin 19

= 365.9 Inches

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Todos los numeros negativos son enteros verdadero o falsom.​
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1. Si μ es un ángulo agudo y cot μ = , ¿cuáles son los valores de todas las funciones trigonométricas de μ?
Scilla [17]

Answer:

Funciones trigonométricas de μ

sen (μ) = b/ √(a^2+ b^2)

cos (μ) = a/ √(a^2+ b^2)

tan (μ)  = b/ a

cot (μ)  = a/ b

sec (μ) =  √(a^2+ b^2) / a

csc (μ) =   √(a^2+ b^2) /b

Step-by-step explanation:

Ya que no proportionaste el valor de cot μ podemos suponer un valor = a/b para que tengas una respuesta general y reemplaces el valor de a y b de acuerdo con tu caso.

cot (μ) = a/b

_______________________________

Funciones trigonométricas

sen (μ) = cateto opuesto/ hipotenusa

cos (μ) = cateto adyacente/ hipotenusa

tan (μ)  = cateto opuesto/ cateto adyacente

cot (μ)  = cateto adyacente/ cateto opuesto

sec (μ) =  hipotenusa / cateto adyacente

csc (μ) =   hipotenusa /cateto opuesto

cot (μ)  = cateto adyacente/ cateto opuesto = cot (μ)  = a/ b

Por lo tanto:

Cateto adyacente = a

Cateto opuesto = b

Hipotenusa

H^2 = Cateto adyacente^2 + Cateto opuesto^2

H= √(a^2+ b^2)

Reemplaznado los valores de los catetos y la hipotenusa se obteienen los valores de las funciones trigonométricas de μ.

8 0
3 years ago
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