If sin 4 x + cos 4 y + 2 = 4 sin x cos y, and 0 ≤ x, y ≤ π/2 then sin x + cos y is equal…
Mathematics · JEE Advanced · NTA Exams — Trigonometry
If sin4x + cos4y + 2 = 4 sin x cos y, and 0 ≤ x, y ≤ π/2 then
sin x + cos y is equal to :
sin x + cos y is equal to :
- –2
- 0
- 2
- none of these
Answer
(C) 2
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