Buktikan!!!
1-(SIN B + COS B)²≡ -2SIN B X COS B
TOLONG DIJAWAB YAA
1-(SIN B + COS B)²≡ -2SIN B X COS B
TOLONG DIJAWAB YAA
More Questions From This User See All
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 1 - (sin²b + sinb.cosb + sinb.cosb +cos²b)
= 1 - (sin²b + cos²b + 2 sinb.cosb)
= 1 - (1 + 2 sinb.cosb)
= -2 sinb.cosb terbukti