𝑴𝒂𝒕𝒉𝒆𝒎𝒂𝒕𝒊𝒄 𝒘𝒐𝒓𝒍𝒅 ♕︎
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Graduated from University of Duhok College of Education - Akre Mathematics department
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cos(y)=sin(2x) Show that
y''=0
cos(y)=sin(2x)
sin(Α)=cos((2n+1)π/2−Α) n∈Z
cos(y)=cos((2n+1)π/2−2x)
y=(2n+1)π/2−2x
y'=-2
y''=0
