" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
....(i)
dan
sin(2x) = 2 sin(x) cos (x) ...(ii)
sekarang, kembali ke soal:
= 1 + sin(2x)
= 1 + sin(2x)
= 1 + sin(2x)
substitusikan pers.(i) dan (ii), shg didapat:
1 + sin(2x) = 1 + sin(2x) (terbukti)