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Eamcet Mathematics
Trigonometry Properties of Triangles
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Q.
In ΔABC, a sin(B - C) + b sin(C-A)+ c sin(A - B) =
A.
0
B.
a+b+c
C.
a
2
+b
2
+c
2
D.
2(a
2
+b
2
+c
2
)
E.
None of the above
View Answer
Correct choice: A
Explanation:
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