Math, asked by faru10, 1 year ago

prove that sinA/sin (A/2) = 2cos(A/2)

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Answered by KarupsK

11

Mark this answer as brainliest answer

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Answered by khushirai

1

LHS-
SinA÷ sinA/2 = 2cosA/2×SinA/2 ÷sinA/2
(sinA=2cosA/2sinA/2)
=2cosA/2 =RHS
proved

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