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CD Action 36
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Matma
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MATDEMO.RAR
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MATDEMO
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WZORY
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WZOTRYZA.HYP
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1998-02-08
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411b
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18 lines
Zale╛noÿci mi⌐dzy funkcjami trygonometrycznymi tego $bin'wzoTryZa.bin'
samego kÑta ostrego ~∙.
\9sin ∙ = cos (90°-∙) , cos ∙ = sin (90°-∙)
\Dtg ∙ = ctg (90°-∙) , ctg ∙ = tg (90°-∙)
\9sin ∙ cos ∙
\9───── = tg ∙ , ───── = ctg ∙
\9cos ∙ sin ∙
\D 1 1
\Dtg ∙ = ───── , ctg ∙ = ────
\D ctg ∙ tg ∙
\9sin╩ ∙ + cos╩ ∙ = 1