Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
sin
A
+
cos
A
=
m
\sin A + \cos A = m
sin
A
+
cos
A
=
m
and
sin
3
A
+
cos
3
A
=
n
\sin^3 A + \cos^3 A = n
sin
3
A
+
cos
3
A
=
n
, prove that
m
3
−
3
m
+
2
n
=
0
m^3 - 3m + 2n = 0
m
3
−
3
m
+
2
n
=
0
.
Browse the problem library