" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
cos 120⁰ = cos 60⁰ = - 1/2 karena di kuadran II maka nilanya negatif
tan 225⁰ = tan 45⁰ = 1
jadi, hasilnya adalah 1/2 √3 - 1/2 + 1 = 1/2 √3 + 1/2 atau 1/2 (√3 + 1)