Ответ:
24°
Объяснение:
n=sin60°/sin45°=sin30°/sinX
sinX=sin30*sin45/sin60=0.5*0.7/0.866=0.404
X=arcsin0.404≈24°
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Verified answer
Ответ:
24°
Объяснение:
n=sin60°/sin45°=sin30°/sinX
sinX=sin30*sin45/sin60=0.5*0.7/0.866=0.404
X=arcsin0.404≈24°
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X=arcsin0.4082≈24,09°≈24,1°