Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ. ^^
Giúp mik câu b)
\(i=90^o-60^o=30^o\\ \\ i=i'\Leftrightarrow i'=30^o\)
Giúp mik vs mik tik cho ạ
Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ.
Giúp mik vs mik tik cho ạ.