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If, in Delta ABC, angle C is obstuse, th...

If, in `Delta ABC, angle C is obstuse, then

A

`tan A cdot tan B lt 1`

B

`tan A cdot tan B gt 1`

C

`tan A + tan B = 1`

D

`tan A + tan B = 2`

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The correct Answer is:
A
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE
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