A Side Fraction Identity

★ 6/10trigonometry Law of Cosines Triangle Geometry

Problem

The sides $a, b, c$ of $\triangle ABC$ (opposite $A, B, C$ ) satisfy

\frac{c^2}{a+b} + \frac{a^2}{b+c} = b.

Find $B$ .

Answer

Solution

Difficulty	6/10
Topics	trigonometry, Law of Cosines, Triangle Geometry

Whiteboard

Your sketch is saved only in this browser. To share it, export your drawing as an image (whiteboard menu → Export as → PNG), then upload that image in the comments below.

Discussion

Ask questions, share alternate solutions, and use LaTeX freely.

0 comments

No comments yet.