Trigonometric Equation Solution (Jee Mains) | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
Trigonometric Equation Solution
Solve the equation 2 (cos x + cos 2x) + sin 2x (1 + 2cos x) = 2sin x
SELECT ONE OPTION
A
nπ + (- 1)
n
(
-
π
2
)
, n ϵ I
B
2nπ ± π or 2nπ ±
π
3
, n ϵ I
C
nπ, n ϵ I
D
Both (a) and (b)
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