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If A, B and C are the angles of a triang...

If A, B and C are the angles of a triangle and `|(1,1,1),(1+sinA,1+sinB,1+sinC),(sinA+sin^2A,sinB+sin^2B,sinC+sin^2C)|=0`, then the triangle must be :

A

equilateral

B

isosceles

C

any triangle

D

rt. angled

Text Solution

Verified by Experts

The correct Answer is:
B
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