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Eamcet Mathematics
Trigonometry Properties of Triangles
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Q.
In a traingle ABC, a
3
cos(B - C) + b
3
cos(C - A) + c
3
cos(A - B) =
A.
abc
B.
3
abc
C.
a+b+c
D.
3(
a+b+c
)
E.
None of the above
View Answer
Correct choice: B
Explanation:
None
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