" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= -sin 60 + 1/sin 30 - 1/- cotan 60
= -1/2√3 + 1/ 1/2 + 1/ 1/√3
= -1/2√3 + 2 + √3
= 1/2√3 + 2
atau
= 1/2(√3 + 4)