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If tanx=(2b)/(a-c), (a ne c) y=acos^2x...

If `tanx=(2b)/(a-c)`, `(a ne c)`
`y=acos^2x+2bsinxcosx+csin^2x` and `z=asin^2x-2bsinxcosx+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`

Text Solution

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The correct Answer is:
B, C
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