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if tan ^(2)""(pi-A)/(4)+tan^(2)""(pi-B)/...

if `tan ^(2)""(pi-A)/(4)+tan^(2)""(pi-B)/(4) + tan^(2)""(pi-C)/(4) =1,` then `DeltaABC` is

A

equilateral

B

isosceles

C

scalene

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
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