Ответ:
45°
Объяснение:
β=30° n=1.41 α=?
===
n=sinα/sinβ
sinα=n*sinβ=1.41*0.5=0.71
α=arcsin0.71=45°
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Verified answer
Ответ:
45°
Объяснение:
β=30° n=1.41 α=?
===
n=sinα/sinβ
sinα=n*sinβ=1.41*0.5=0.71
α=arcsin0.71=45°
===========================