Question

Question #4fe1b

Answer 1

Given equation can be written as

`6sin(pi/12(x-11))+19=19`

`=>6sin(pi/12(x-11))=19-19=0`

`=>sin(pi/12(x-11))=0/6=0`

`=>(pi/12(x-11))=npi`,`" where "n inZZ`

`:.x=12n+11` `" where "n inZZ`