A) A.G.P.
B) H.P.
C) G.P.
D) A.P.
Correct Answer: D
Solution :
\[\frac{2\Delta }{a},\frac{2\Delta }{b},\frac{2\Delta }{c}\] are in H.P. Þ \[\frac{1}{a},\frac{1}{b},\frac{1}{c}\] are in H.P. Þ \[a,b,c\] are in A.P. Þ \[\sin A,\sin B,\sin C\] are in A.P.You need to login to perform this action.
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