Mathematics · Trigonometry
The value of cos2 48° - sin2 12° is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√5 + 12√2
- 2√5 + 15
- 3√5 - 18
- 4√5 + 18✓
Correct answer
√5 + 18
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