sin120°+ cos 330°- tan 45°
1/2 √3+1/2√3-1=√3-1
Tahapan Penyelesaiannya:
Sin 150° = Sin 30° = ½
Cos 330° = Cos 30° = ½√3
Tan 45° = 1
Sin 150° + Cos 330° - Tan 45°
= ½ + ½√3 - 1
= ½√3 - ½
Bisa sampai situ ↑
Atau
√3 = 1,7
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
sin120°+ cos 330°- tan 45°
1/2 √3+1/2√3-1=√3-1
Tahapan Penyelesaiannya:
Sin 150° = Sin 30° = ½
Cos 330° = Cos 30° = ½√3
Tan 45° = 1
Sin 150° + Cos 330° - Tan 45°
= ½ + ½√3 - 1
= ½√3 - ½
Bisa sampai situ ↑
Atau
√3 = 1,7