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Problems
cos
2
(
tan
−
1
2
)
+
cos
2
(
cot
−
1
3
)
=
\cos^2(\tan^{-1}2) + \cos^2(\cot^{-1}3) =
cos
2
(
tan
−
1
2
)
+
cos
2
(
cot
−
1
3
)
=
Mathematics
Problem
cos
2
(
tan
−
1
2
)
+
cos
2
(
cot
−
1
3
)
=
\cos^2(\tan^{-1}2) + \cos^2(\cot^{-1}3) =
cos
2
(
tan
−
1
2
)
+
cos
2
(
cot
−
1
3
)
=
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