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[" 115.In a "Delta ABC,(sin A)/(sin C)=(...

[" 115.In a "Delta ABC,(sin A)/(sin C)=(sin(A-B))/(sin(B-C))*" then "a^(2),b^(2),c^(2)],[" are such that "],[[" (a) they are in G.P."," (b) they are in H.P."],[" (c) they are in A.P."," (d) "h^(2)=a^(2)+c^(2)]]

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