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Mathematics
Mathematics
Problem
Which of the following identities is true for all permissible values of
θ
\theta
θ
? a)
1
+
tan
2
θ
=
csc
2
θ
1+\tan^2\theta = \csc^2\theta
1
+
tan
2
θ
=
csc
2
θ
b)
1
+
tan
2
θ
=
sec
2
θ
1+\tan^2\theta = \sec^2\theta
1
+
tan
2
θ
=
sec
2
θ
c)
1
+
cot
2
θ
=
sec
2
θ
1+\cot^2\theta = \sec^2\theta
1
+
cot
2
θ
=
sec
2
θ
d)
1
+
sec
2
θ
=
tan
2
θ
1+\sec^2\theta = \tan^2\theta
1
+
sec
2
θ
=
tan
2
θ
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