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Thomas
@aviationdoctor.eth
Some pebbles I saw today on a beach walk Nature is healing
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britt
@brittkim.eth
let z = cosx + isinx dz/dx = -sinx + icosx = i(cosx + isinx) so dz/dx = iz => 1/z dz = i dx …integrate both sides lnz = ix => z = e^(ix) evaluate x at pi
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