Mathematics · Trigonometry
If the angles A, B, and C of a triangle are in an Arithmetic Progression, and if a, b, and c denote the lengths of the sides opposite to A, B, and C respectively, then the value of the expression ac sin(2C) + ca sin(2A) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√3✓
- 21
- 3√32
- 412
Correct answer
√3
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