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If in a DeltaABC,a^(2)cos^(2)A-b^(2)-c^(...

If in a `DeltaABC,a^(2)cos^(2)A-b^(2)-c^(2)=0`, then

A

`pi/4 lt A lt pi/2`

B

`pi/2 lt A lt pi`

C

`A=pi/2`

D

`A lt pi/4`

Text Solution

Verified by Experts

The correct Answer is:
B
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