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Eamcet Mathematics
Trigonometry Properties of Triangles
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Q.
If in a triangle ABC, cos Acos B+sin Asin Bsin C=1, then the sides are proportional to
A.
1: 1:√2
B.
1:√2:1
C.
√2:1:1
D.
2:1:1
E.
None of the above
View Answer
Correct choice: A
Explanation:
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