Mathematics · Calculus
Let f(x) = cos(x) / (1 + cos(x)), where x ∈ R; then f is _______.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1strictly decreasing in [0, π].✓
- 2strictly increasing in [0, π/2].
- 3strictly decreasing in [0, π/2] and strictly increasing in [π/2, π].
- 4strictly increasing in [0, π].
Correct answer
strictly decreasing in [0, π].
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