1.

If x = sin (alpha - beta) sin (gamma - delta) y = sin (beta - gamma) sin (alpha - delta ) and z = sin (gamma - alpha ) sin (beta - delta ) then

Answer»

`x + y + Z =0`
`x + y - z =0`
`y + z -x =0`
`x ^(2) + y ^(3) + z ^(3) = 3 XYZ`

Answer :A::D


Discussion

No Comment Found