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If tanalpha and tanbeta are the roots of...

If `tanalpha` and `tanbeta` are the roots of the equation `x^2+px+q=0 (pne0)`, then

A

`sin^2(alpha+beta)=q`

B

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

C

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

D

`sin(alpha+beta)=-p

Text Solution

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The correct Answer is:
B
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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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