LetPQRbe a triangle of areawith
and
, wherea,bandcare the lengths of the sides of the triangle opposite to the angles atP,QandRrespectively. Then
equals
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A)
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B)
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C)
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D)
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LetPQRbe a triangle of areawith
and
, wherea,bandcare the lengths of the sides of the triangle opposite to the angles atP,QandRrespectively. Then
equals