Задача 40980.

The sun´s rays reflected by the surface of the river, turned out to be completely polarized. At what angle to the horizon was the sun? What is the angle of refraction of the rays? The refractive index of water is 1.33.

A detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help.