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If x cos alpha + y sin alpha = x cos bet...

`If x cos alpha + y sin alpha = x cos beta + y sin beta "then"`
`(sin alpha - cos alpha - sin beta + cos beta)/(sin alpha + cos alpha - sin beta - cos beta)=`

A

`(y+x)/(y-x)`

B

`(y-x)/(y+x)`

C

`(x-y)/(x+y)`

D

`(x+y)/(x-y)`

Text Solution

Verified by Experts

The correct Answer is:
D
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