October 2018 1 45 Report

1.Wykaz ze nie istnieje kat ostry alfa taki,ze cos^2alfa=5/4+sin^2alfa.

2.Wiedzac, ze alfa jest katem ostrym i tg alfa+1/tg alfa=4 oblicz sinalfa* cosalfa.

3Kat alfa jest katem ostrym . Wiedzac , ze sinalfa cosalfa =1/3,oblicz wartosc wyrazenia tgalfa/sin^2alfa.

PROSZE O POMOC,


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