January 2019 0 13 Report
1. Jeśli między kątami ostrymi α i β zachodzi warunek, że kąt α>kąta β to:
sinα sinα>sinβ
cosα>cosβ
tgα
2. Liczba cos³17+sin²17° cos17°=
sin17°
cos17°
tg17°
sin89°cos17°

proszę o wytłumaczenie :)))
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