Set Elements for Trigonometric Equation (Jee Ma… | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
Set Elements for Trigonometric Equation
The number of elements in the set
S
=
{
θ
∈
[
−
4
π
,
4
π
]
:
3
cos
2
2
θ
+
6
cos
2
θ
−
10
cos
2
θ
+
5
=
0
}
is
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