Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In any
Δ
A
B
C
\Delta ABC
Δ
A
B
C
, then minimum value of
2020
∑
c
y
c
sin
A
(
sin
B
+
sin
C
)
−
sin
A
2020 \sum_{cyc} \frac{\sqrt{\sin A}}{(\sqrt{\sin B} + \sqrt{\sin C}) - \sqrt{\sin A}}
2020
cy
c
∑
(
sin
B
+
sin
C
)
−
sin
A
sin
A
must be
Browse the problem library