Ответ:
Объяснение:
α + β = 90°
β = 90° - α
sin α / sin β = nк / nв
sin α / sin (90 - α) = 1,54 / 1,33
tg α ≈ 1,118
α ≈ 48°
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Verified answer
Ответ:
Объяснение:
α + β = 90°
β = 90° - α
sin α / sin β = nк / nв
sin α / sin (90 - α) = 1,54 / 1,33
tg α ≈ 1,118
α ≈ 48°