Jawabanmu

2014-03-25T23:54:51+07:00
 
= 1- sin 2(2)/cos 2(2).2(2)
=1-4/16
= -3/16
2014-03-26T02:42:14+07:00
= 1- sin 2(2)/cos 2(2).2(2)
=1-4/16
= -3/16