Trigonometric Equation Solution (Jee Mains) | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
Trigonometric Equation Solution
If the equation cos 3x cos³ x + sin 3x sin³ x = 0, then x is equal to
SELECT ONE OPTION
A
(2n + 1)
π
4
B
(2n - 1)
π
4
C
nπ
4
D
None of these
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