1.

In triangleABC, lfloor(A) = pi/4 and tanB.tanC= P, then all possible value of P is:

Answer»

`(-INFTY,3-2sqrt(2)) CUP (3+2sqrt(2), infty)`
`(-infty,3-2sqrt(2)) cup [3+2sqrt(2), infty)`
`(3-2sqrt(2),3+2sqrt(2))`
`[3-2sqrt(2),3+2sqrt(2)]`

ANSWER :B


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