The system of equations tan x =acot x, t...

The system of equations `tan x =acot x, tan 2x=b cos y`

A

cannot have a solution of a = 0

B

cannot have a solution if a = 1

C

cannot have a solution if `2 sqrt(a) lt |b ( 1 - a)|`

D

has a solution for all a and b

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The correct Answer is:

B, C

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