A Height That Equals a Difference

Problem

In $\triangle ABC$ , the sides opposite $A, B, C$ are $a, b, c$ . The height on side $AC$ equals $c - a$ .

Find the value of

\sin\frac{C - A}{2} + \cos\frac{C + A}{2}.

Answer

Solution

Difficulty	6/10
Topics	trigonometry

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.