Mathematics · Trigonometry
sin 18° का मान √5 - 14 दिया गया है। इस मान का उपयोग करके, cos 18° का सटीक मान ज्ञात कीजिए।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√10 - 2√54
- 2√6 + √24
- 3√5 + 14
- 4√10 + 2√54✓
सही उत्तर देखें
√10 + 2√54
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