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

If ` tan alpha , tan beta ` are the roots of the equation ` x^(2) + px+q=0(p ne 0)` then

A

`cos(alpha + Beta) = 1 - q`

B

`sin (alpha+beta) = p`

C

`tan(alpha + Beta) = (p)/(q-1)`

D

`cot(alpha+beta)=(p)/(q-1)`

Text Solution

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The correct Answer is:
C
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