sinx + cosx làm đại lý fun88 = cosx^2 - sinx^2 = sinx.cosx.sinx + cosx = cosx + sinxcosx - sinx = sinxcosxsinx + cosx = sinx + cosxsinxcosx + sinx - cosx = 0 Giải: sinx + cosx = 0 = tanx = -1 do cosx khác 0 = x = - pi / 4 + k * pik thuộc ZGiải: sinxcosx + sinx - cosx = 0 = sinx1 + cosx = cosx = sinx1 + cosx = 1 + cosx -1
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aus open The 2024 Australian Open was a Grand Slam level tennis tournament held at Melbourne Park, from 14 to 28 January 2024. 1 It was the 112th edition of the Australian Open, the 56th in the Open Era, and the first major of the year. The tournament consists of events for professional players in singles, doubles and mixed doubles
