If a cos 2 theta + b sin 2 theta =c has...

If a `cos 2 theta + b sin 2 theta =c ` has ` alpha and beta ` as its solution, then the value of `tan alpha + tan beta` is

A

`(c+a)/(2b)`

B

`(2b)/( c+a)`

C

`(c-a)/(2b)`

D

`(b)/(c+a)`

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The correct Answer is:

B

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