Mathematics · Trigonometry
यदि cos 28° + sin 28° = k है, तो cos 17° किसके बराबर है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1k2
- 2k√2✓
- 3- k√2
- 4√2 k
सही उत्तर देखें
k√2
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