If tan x= (2b)/(a-c), a!=c, y = a cos^2 ...

If `tan x= (2b)/(a-c), a!=c, y = a cos^2 x +2b sin xcos x + c sin^2x, z = a sin^2 x-2b sin xcos x + c.cos^2x,` then

A

`y=z`

B

`y+z=a+c`

C

`y-z =a-c`

D

`y-z=(a-c)^(2) +4b^(2)`

Verified by Experts

The correct Answer is:

B

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