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Mathematics
Mathematics
Problem
Derive from
sin
2
x
+
cos
2
x
=
1
\sin^2 x+\cos^2 x=1
sin
2
x
+
cos
2
x
=
1
that
1
+
cot
2
x
=
csc
2
x
1+\cot^2 x=\csc^2 x
1
+
cot
2
x
=
csc
2
x
.
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