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1986 IMO Longlists
52
IMO Long List 1986 System of equations
IMO Long List 1986 System of equations
Source:
August 29, 2010
trigonometry
algebra
system of equations
algebra unsolved
Problem Statement
Solve the system of equations
tan
x
1
+
cot
x
1
=
3
tan
x
2
,
\tan x_1 +\cot x_1=3 \tan x_2,
tan
x
1
+
cot
x
1
=
3
tan
x
2
,
tan
x
2
+
cot
x
2
=
3
tan
x
3
,
\tan x_2 +\cot x_2=3 \tan x_3,
tan
x
2
+
cot
x
2
=
3
tan
x
3
,
⋮
\vdots
⋮
tan
x
n
+
cot
x
n
=
3
tan
x
1
\tan x_n +\cot x_n=3 \tan x_1
tan
x
n
+
cot
x
n
=
3
tan
x
1
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