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please give me the proof for sin(A/2) * sin(B/2) * sin(C/2) 1/8 for any triangle ABC.

please give me the proof for 
sin(A/2) * sin(B/2) * sin(C/2)    1/8
for any triangle ABC.

Grade:11

2 Answers

lavanya
21 Points
6 years ago
In equilateral triangle all the angles are same that means 60degres.
A=60, B=60, C=60 then sin30*sin30*sin30=1/8
lavanya
21 Points
6 years ago
In equilateral triangle all the angles are same that means 60degres.
A=60, B=60, C=60 then sin30*sin30*sin30=1/8

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