La primera:
Tg81°= 3.15/x
xTg81°=3.15
x= 3.15/tg81
x= 3.15/6.31
x= 0.49 redondeando 0.50
--------------------
La segunda :
Sen52°=1.27/x
xSen52= 1.27
x= 1.27/sen52
x= 1.61
-----------------
tercera :
Cos∅= 5.0/8.6
Cos∅= 0.58
Arc.cos∅= Arc.cos0.58
∅= 54.54°
Cuarta:
Sen∅= 0.8/12.04
Sen∅= 0.06
Arc.sen∅= Arc.sen0.06
∅= 3.43°
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La primera:
Tg81°= 3.15/x
xTg81°=3.15
x= 3.15/tg81
x= 3.15/6.31
x= 0.49 redondeando 0.50
--------------------
La segunda :
Sen52°=1.27/x
xSen52= 1.27
x= 1.27/sen52
x= 1.61
-----------------
tercera :
Cos∅= 5.0/8.6
Cos∅= 0.58
Arc.cos∅= Arc.cos0.58
∅= 54.54°
-----------------
Cuarta:
Sen∅= 0.8/12.04
Sen∅= 0.06
Arc.sen∅= Arc.sen0.06
∅= 3.43°