" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
tan 2x = tan 30
2x = 30 + k.180
x = 15 + k.90
untuk
k = 0 maka x = 15
k = 1 maka x = 105
k = 2 maka x = 195
k = 3 maka x = 285
HP = {15,105,185,285}