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If A,B,C are interior angles of a triang...

If A,B,C are interior angles of a triangle ABC such that `(cosA+cosB+cosC)^2+(sin A+sin B+sin C)^2=9` then the number of possible triangle is

A

0

B

1

C

3

D

infinite

Text Solution

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The correct Answer is:
D
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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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