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If cos(alpha+beta) + sin(alpha-beta) = 0...

If cos(`alpha+beta) + sin(alpha-beta) = 0` and 2010tan`beta - 1 = 0` then tan`alpha` is equal to

A

1

B

`-1`

C

`2010`

D

`(1)/(2010)`

Text Solution

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The correct Answer is:
B
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