In a △ABC,ifsin A sin C =sin (A-B)sin (B-C), prove that a2,b2,c2 are in Arithmetic Progression .

In a $△ A B C, i f \frac{\sin A}{\sin C} = \frac{\sin (A - B)}{\sin (B - C)}, p r o v e t h a t a^{2}, b^{2}, c^{2}$ are in Arithmetic Progression .

Matching exercise

Match the items on the right to the items on the left.

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