Mathematics · Trigonometry
यदि sec2θ + tan2θ = 72 है, जहाँ 0° < θ < 90° है, तो (cosθ + sinθ) किसके बराबर है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19 + 2√56
- 21 + √53
- 31 + √56
- 42 + √53✓
सही उत्तर देखें
2 + √53
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