The Brewster angle for the glass air interface is 54.74^(@) if a ray of light going from air to glass strikes at an angle of incidence 45^(@) then the angle of refraction is
Brewster's Angle - HoloWiki - A Holography FAQ
Brewster's angle, explained by RP Photonics Encyclopedia; polarizing angle, p-polarized incident light, reflectivity, Fresnel equations
An Undergraduate Optics Problem – The Brewster Angle | This Condensed Life