Math, asked by Anonymous, 16 days ago

if A, B, C are the interior angles of a triangle of a ABC, show that sin(B+C/2) cosA/2+cos(B+C/2)sin A/2=1.
i did it (ᵔᴥᵔ)

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Answered by prajwallakra05

2

Step-by-step explanation:

please refer the above attachment

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