Mathematics · Trigonometry
Find the value of: cos2 89° + cos2 1°cos 30° sin 90° - sin 30° cos 90°
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12√3
- 211 - √3
- 31√3
- 42√3✓
Correct answer
2√3
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