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Mathematics
Mathematics
Problem
If in a
Δ
A
B
C
\Delta ABC
Δ
A
B
C
, the value of
cot
A
,
cot
B
,
cot
C
\cot A, \cot B, \cot C
cot
A
,
cot
B
,
cot
C
are in AP show
a
2
,
b
2
,
c
2
a^2, b^2, c^2
a
2
,
b
2
,
c
2
are in A.P.
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