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If the tangents of the angles A and B of...

If the tangents of the angles A and B of triangle ABC satisfy the equation `abx^(2)-c^(2)x+ab=0`, then

A

`tanA=a//b`

B

`tanB=b//a`

C

`cocS=0`

D

`sin^(2)A+sin^(2)B+sin^(2)C=2`

Text Solution

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The correct Answer is:
A, B, D
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