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Step * of Lemma rsin-shift-half-pi

∀[x:ℝ]. (rsin(x + π/2) = rcos(x))
BY
{ (Auto THEN (RWW "rsin-radd rcos-halfpi rsin-halfpi" 0 THENA Auto) THEN nRNorm 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[x:\mBbbR{}].  (rsin(x  +  \mpi{}/2)  =  rcos(x))


By

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Latex:
(Auto  THEN  (RWW  "rsin-radd  rcos-halfpi  rsin-halfpi"  0  THENA  Auto)  THEN  nRNorm  0  THEN  Auto)

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