Express the law of reflection vectorially taking the direction of unit vectors along the incident ray and reflected ray as hate and hate' and the outward normal to the reflector as hatn.

Express the law of reflection vectorially taking the direction of unit

1.	Express the law of reflection vectorially taking the direction of unit vectors along the incident ray and reflected ray as hate and hate' and the outward normal to the reflector as hatn.
Answer» ANSWER :`hate'=hate-(2hatn.hate)HATN`