Question:medium

If the area of triangle $ABC$ is $b^2 - (c-a)^2$, then $\tan B =$

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Whenever an area is expressed in terms of sides, use the Cosine Rule to eliminate the side terms and reduce to a single trigonometric equation in one angle.
Updated On: May 16, 2026
  • 1
  • $\dfrac{13}{15}$
  • $\dfrac{1}{4}$
  • $\dfrac{8}{15}$
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The Correct Option is D

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