1.

If alpha , beta , gamma , deltaare the smallest positive angles in ascending order of magnitude which have their sines equal to the positive quantity K the value of 4 sin(alpha/2)+3sin(beta/2)+2sin(gamma/2)+sin(delta/2)=

Answer»

`2sqrt(1-K)`
`2sqrt(1+K)`
`2sqrtK`
`SQRT(K+1)`

ANSWER :B


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