Mathematics · Trigonometry
In any triangle ABC, what is the value of a(b cos C - c cos B)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1c2 - b2
- 2c2 - a2
- 3b2 - c2✓
- 4a2 - b2
Correct answer
b2 - c2
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