" If in a "Delta ABC" ,angle "A" is grea...

`" If in a "Delta ABC" ,angle "A" is greatest,also given "sin A+sin B+sin C<=1" then value of "B+C" is (A) less than "30^(@) "(B) greater than "30^(@)" (C) less than "15^(@)" (D) greater than "15^(@)"`

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