1.

If a Delta ABC

Answer»

`sin A sin B sin C LE (3sqrt(3))/(8)`
`sin^(2) A + sin^(2) B + sin^(2) Cle (9)/(4)`
sin A sin B sin C is ALWAYS positive
`sin^(1)A + sin^(2) B le 1 + cos C`

Answer :A::B::C::D


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