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If tanA, tanB are the roots of the quadr...

If tanA, tanB are the roots of the quadratic `abx^2-c^2x+ab=0,` where a,b,c are the sides of a triangle. then

A

`tanA=a/b`

B

`tanB=b/a`

C

cos C=0

D

`tanA+tanB=c^2/(ab)`

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The correct Answer is:
A, B, C, D
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PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
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