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appattuvilai1234
03.07.2020 •
Mathematics
En el triángulo rectángulo ABC (B= 90°) se tiene que:
Sen A = 1/3.Calcula sen C
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Ответ:
Hi,
Podemos afirmar que en el triángulo rectángulo ABC el Sen(C) viene siendo 0.94 y el Sen(A) viene siendo 1/3.
Explicación:
Tenemos un triángulo rectángulo donde se cumple que sen(A) = 1/3, veamos cuánto vale este ángulo:
A = arcsen(1/3)
A = 19.47º
Ahora, si es un triángulo rectángulo significa que tiene un ángulo recto y además la suma de los ángulos internos debe ser igual a 180º, entonces:
A + B + C = 180º
19.47 + 90 + C = 180º
C = 70.53º
Finalmente:
Sen(70.53º) = 0.94
Por tanto, podemos afirmar que en el triángulo rectángulo el Sen(C) viene siendo 0.94.
Ответ:
i hope it will work
Step-by-step explanation:
f(x) = -5 x^2 + 2 x + 9
f(1)=-5(1)^2 +2(1) +9 = 6
similarly
f(2)=-5(2)^2 +2(2) +9 = -7
if its help-full then hit the stars and brain-list it
thanks