" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
sin x = 0,8 → cos x = 0,6
diperoleh dari identitas
sin²x + cos²x = 1
cos²x = 1 - sin²x
cos²x = 1 - (0,8)²
cos²x = 1 - 0,64
cos²x = 0,36
cos x = 0,6 ←