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To’g’ri burchakli uchburchak o’tkir (α) burchaginingsinusideb,αburchak qarshisidagi katet (BC)ning gipotenuza (AB) ga nisbatiga aytiladi. To’g’ri burchakli uchburchak (α) burchaginingkosinusideb,αburchak qarshisidagi katet (AC)ning gipotenuza (AB) ga nisbatiga aytiladi

#uchburchak#sinus#kosinus#tangens#o'tkir burchak

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