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The angle between the lines x cos alpha ...

The angle between the lines `x cos alpha + y sin alpha = a` and `x sin beta - y cos alpha = a` is

A

`beta - alpha `

B

`pi + beta - alpha`

C

`(pi)/(2) + alpha + beta`

D

`(pi)/(2) - beta + alpha`.

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The correct Answer is:
D
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 02-MATHEMATICS
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