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If x+y=pi/4 and tanx+tany=1, then...

If `x+y=pi/4` and tanx+tany=1, then

A

`x=pi/2-npi` and `y=npi, n in Z`

B

`x=pi/4-npi` and `y=npi, n in Z`

C

`x=pi/4-npi` and `y=2npi, n in Z`

D

none of these

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The correct Answer is:
B
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PATHFINDER-TRIGONOMETRIC EQUATION AND INVERSE-QUESTION BANK
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