Mathematics · Calculus
The function f(x) = 1 + 2 sin(x) + 3 cos2(x) in the interval [0, π] attains its global minimum at:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x = 90°✓
- 2x = sin-1(1/√3)
- 3x = 30°
- 4x = sin-1(1/3)
Correct answer
x = 90°
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