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If tan alpha and tan beta are the roots ...

If tan `alpha` and tan `beta` are the roots of `x^(2) + ax + b = 0,` then `(sin (alpha + beta))/(sin alpha sin beta)` is equal to

A

`b/a`

B

`a/b`

C

`-a/b`

D

`-b/a`

Text Solution

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The correct Answer is:
C
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