In a , if , then show that , , and are in…

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

In a

\triangle ABC

, if

c\cos^2\frac{A}{2}+a\cos^2\frac{C}{2}=\frac{3b}{2}

, then show that

a

,

b

, and

c

are in AP.

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