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If sin(alpha+beta)=1\ a n dsin(alpha-bet...

If `sin(alpha+beta)=1\ a n dsin(alpha-beta)=1/2,\ w h e r e\ 0lt=,\ betalt=\ pi/2` , then find the values of `tan(alpha+2beta)a n d\ "tan"(2alpha+beta)` .

A

1

B

`-1`

C

0

D

`1//2`

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
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