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In a triangle ABC if tan A lt 0 then...

In a triangle ABC if tan `A lt 0` then

A

`tan B. tan C gt 1`

B

`tan B. tan C lt 1`

C

`tan B. tan C = 1`

D

None of these

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The correct Answer is:
B
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MOTION-TRIGNOMETRIC RATIOS & IDENTITIES -Exercise 1
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