A) HP
B) Arithmetico-Geometric Progression
C) AP
D) GP
Correct Answer: C
Solution :
Since, in Similarly, and Since, AD,CE,CF are in HP. arein HP. are in AP. are in AP. Alternate Solution area Similarly, and AD, BE, CF are in HP. are in HP. a, b, c are in AP. \[\Rightarrow \,\sin A,\,\sin B,\,\sin C\] are in AP.You need to login to perform this action.
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