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Sine in A.P.

Geometry

If in a triangle PQR ,\(\sin P, \sin Q , \sin R\) are in A.P. then

Also try : Cot in A.P.

The altitudes are in A.P. The medians are in A.P. The medians are in G.P. The altitudes are in H.P

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by Pankaj Joshi

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