Mathematics · Application of Derivatives
The function f(x) = tan-1(sin x + cos x) is a strictly increasing function in the interval:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(0, π/2)
- 2(-π/2, π/2)
- 3(π/4, π/2)
- 4(-π/2, π/4)✓
Correct answer
(-π/2, π/4)
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