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If A+B=45^@ then (1+tanA)(1+tanB)=...

If `A+B=45^@` then `(1+tanA)(1+tanB)=`

A

1

B

2

C

`tanA.tanB`

D

none of these

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES AND FACTORIZATION FORMULAE-MCQs
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