If in a $ riangle A B C$, the values of $\cot A, \cot B, \cot C$ are in Arithmetic Progression, the

Question

If in a $	riangle A B C$, the values of $\cot A, \cot B, \cot C$ are in Arithmetic Progression, then $	an A$ is equal to

Professor PC Thomas Classes · Answer

Equating progression differences structures sine identity translations mapping explicitly to designated side ratios.