Ответ:
60°
Объяснение:
γ=90 n=1.73 α=?
===
180°=α+γ+β
β=90°-α
n=sinα/sinβ=sinα/cosα=tgα
α=arctg1.73=60°
===================
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
60°
Объяснение:
γ=90 n=1.73 α=?
===
180°=α+γ+β
β=90°-α
n=sinα/sinβ=sinα/cosα=tgα
α=arctg1.73=60°
===================