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If (1+tantheta)(1+tanphi)=2 then theta+p...

If `(1+tantheta)(1+tanphi)=2` then `theta+phi=`

A

(a) `30^(@)`

B

(b) `45^(@)`

C

(c) `60^(@)`

D

(d) `75^(@)`

Text Solution

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The correct Answer is:
B
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