Mathematics · Trigonometry
यदि y = cos2 x + sec2 x है, जहाँ 0 ≤ x < π/2 है, तो निम्नलिखित में से कौन सा विकल्प सही है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10 < y < 0.5
- 20.5 ≤ y < 1
- 31 ≤ y < 2
- 4y ≥ 2✓
सही उत्तर देखें
y ≥ 2
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