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Mathematics
Mathematics
Problem
Find the set of values of
λ
∈
R
\lambda \in \mathbb{R}
λ
∈
R
such that
tan
2
θ
+
sec
θ
=
λ
\tan^2 \theta + \sec \theta = \lambda
tan
2
θ
+
sec
θ
=
λ
holds for some
θ
\theta
θ
.
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