Trigonometric Equations Count (Jee Mains) | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
Trigonometric Equations Count
If cos (α – β) = 1 and cos (α + β) = 1 / e , then the number of ordered (α , β) such that α , β ϵ [-π , π ] is :
SELECT ONE OPTION
A
0
B
1
C
2
D
4
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