" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=> sin30 + cos240
=> (1/2) - (1/2)√3 = (1/2)(1 - √3)
cos 249?? mungkin 240 , cos 240= cos 60= 1/2 akar 2
1/2 = 1/2 akar 2