Mathematics · Trigonometric Equations
In a ΔABC, if sin(2B) = sin(A) and 2 cos2(A) = 3 cos2(B), then the triangle is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1acute angled
- 2obtuse angled
- 3right angled
- 4equilateral✓
Correct answer
equilateral
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