Question:medium
For \(\theta>\pi/3\) the value of \(f(\theta) = \sec^2\theta + \cos^2\theta\) always lies in the interval
For \(\theta>\pi/3\) the value of \(f(\theta) = \sec^2\theta + \cos^2\theta\) always lies in the interval
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For positive numbers, AM \(\ge\) GM, equality when numbers equal.
Updated On: Apr 7, 2026
- \((0, 2)\)
- \([0, 1]\)
- \((1, 2)\)
- \([2, \infty)\)
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The Correct Option is D
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