Use of DIN/DAW and RIN/RAW

Use of DIN/DAW and RIN/RAW
DAW/RAW - means "according to the information"
DIN/RIN - also/too/likewise/same/as well*DIN and DAW is used when the 1st word before you use it ends with CONSONANTS.Example: Bakit daw siya nagalit? (Why is he angry?)
-Someone tells he is angry and according to that information/statement, someone ask why is he angry.*RIN/DIN is used when the 1st word before you use it ends with VOWELS.Example: Hindi ko rin alam kung bakit siya galit. (I don't know too why he is angry.)
-the person you are talking with, tells you that he/she also don't know why he is angry.