Question

EXERCISE: 3.9
sin(A-B)
, prove that a², b2, c. are in Arithmetic Progress
sin C
sin(B-C) prove that a, 62.2
1. In a AABC, if SİN A
sin A
sin C
- 28-a
LHS =
I
c
2R
US - sin(A-B) _sin A cos B-cos Asin B
sin(B-C) sin Bcos C-cos B sin C​

Answer 1

Answer:

y

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