Mathematics · Trigonometry
व्यंजक (4 cos2 9° - 3)(4 cos2 27° - 3) को सरल करने पर प्राप्त होता है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cot 27°
- 2tan 27°
- 3cot 9°✓
- 4tan 9°
सही उत्तर देखें
cot 9°
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