If x ∈ [- 5 2 , 5 2 ], the greatest positive solution of 1 + sin 4 x = cos 2 3x is
Mathematics · JEE Advanced · NTA Exams — Trigonometry
If x ∈ \(\left[-\frac{5 \pi}{2}, \frac{5 \pi}{2}\right],\) the greatest positive solution of
1 + sin4 x = cos2 3x is
1 + sin4 x = cos2 3x is
- π
- 2π
- 5π/2
- none of these
Answer
(B) 2 π
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