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william-richards_60c1da3a9f77e
william-richards_60c1da3a9f77e
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william-richards_60c1da3a9f77e
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They are the same. 1 / sqr (2) = sqr (2) / (sqr (2) * sqr(2) ) = sqr(2) / 2
in
how is cos(π/4) = (√2)/2 ?
Comment by
william-richards_60c1da3a9f77e
June 2021