Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If `sin2A + sin2B +sin2C+2cos (A-B)+2cos(A+B)=4`, then `triangle` ABC is - Sarthaks eConnect
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If `sin2A + sin2B +sin2C+2cos (A-B)+2cos(A+B)=4`, then `triangle` ABC is

If `sin2A + sin2B +sin2C+2cos (A-B)+2cos(A+B)=4`, then `triangle` ABC is

A.

Isosceles right angle
B.

Obtuse angled

C.

Equilateral

D.

`A=15^o, B=85^o, C=80^o`

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