Question

hello guys..



(sin(A - C) + 2 sin A + sin(A + C)) /
(sin(B - C) + 2 sin B + sin(B+C))


pls answer fast...
50 points​

Answer 1

put the formula of sin(A-B) =sinA×cosB -cosA×SinB

sin2A= 2sinA×cosA

these formulas will help u in deriving the answer

Answer 2

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