H? tr?i nghi?m, h??ng nghi?p 5 SGK Ho?t ??ng tr?i nghi?m - K?t n?i tri th?cCâu 20: Thu g?n bi?u th?c $P = cosalpha + cos3alpha + cos5alpha + ldots + cosremaining( 2n – one suitable)alpha $ v?i $n in mathbb N ^* ,alpha ne kpi still left( k in mathbb Z suitable)$ ta ???cT?t C?Công Ngh? L?p 12Công Ngh? L?p 11Công Ngh? L?p 10Công Ngh? L?p 9Công… Read More

H? tr?i nghi?m, h??ng nghi?p seven SGK Ho?t ??ng tr?i nghi?m, h??ng nghi?p - K?t n?i tri th?cCâu twenty: Thu g?n bi?u th?c $P = cosalpha + cos3alpha + cos5alpha + ldots + cosstill left( 2n – one suitable)alpha $ v?i $n in mathbb N ^* ,alpha ne kpi remaining( k in mathbb Z suitable)$ ta ???cc? nh?t m?i nh?t ???c bình ch?n nhi?u nh?t Inline Feedb… Read More

H? tr?i nghi?m, h??ng nghi?p nine SGK Ho?t ??ng tr?i nghi?m, h??ng nghi?p - K?t n?i tri th?cTa có: $2sinalpha cdot P = 2sinalpha cosalpha + 2sinalpha cos3alpha + 2sinalpha cos5alpha + ldots + 2sinalpha cosstill left( 2n – one appropriate)alpha $c? nh?t m?i nh?t ???c bình ch?n nhi?u nh?t Inline Feedbacks Check out all opinionsB?n d?ch Hello?n na… Read More

T?t C?Th? D?c L?p 10Th? D?c L?p eleventh? D?c L?p twelfth? D?c L?p 6Th? D?c L?p 7Th? D?c L?p 8Th? D?c L?p 9Ta có: $2sinalpha cdot P = 2sinalpha cosalpha + 2sinalpha cos3alpha + 2sinalpha cos5alpha + ldots + 2sinalpha cosremaining( 2n – 1 appropriate)alpha $ V?n 9 t?p one Cánh di?uT?t C?two hundred ?? Thi Th? Môn Sinh 2025Sinh H?c L?p 12Sinh H?… Read More

H? tr?i nghi?m, h??ng nghi?p 9 SGK Ho?t ??ng tr?i nghi?m, h??ng nghi?p - K?t n?i tri th?cT?t C?200 ?? Thi Th? T?t Nghi?p THPT 2025 L?ch S?L?ch S? L?p 12L?ch S? L?p 11L?ch S? L?p 10L?ch S? 9L?ch S? 8L?ch S? 7L?ch S? sixCâu 32. Cho ???ng th?ng asong track v?i m?t ph?ng ?. N?u m?t ph?ng ? ch?a a và c?t ? theo giao tuy?n b thì b và a là hai ???ng … Read More