uzakbergenov abat trigonometriya

tuzuvchi:taxtaku’pir tumani 8-sonli umumta’lim maktabning matematika fani o’qituvchisi uzakbergenov abat. sinf: 9 fan:geometriya. chorak:3 dars:35 mavzu:ba’zi burchaklarning sinus,kosinus,tangenisi va kotangenisini hisoblash. a v s 2 o’tkir burchakning sinusi, kosinusi, tangensi, kotangensi av – gipotenuza vs – katet, a burchakka qarshi yotgan katet as – katet, a burchakka yopishgan katet v s a to’g’ri burchakli uchburchakning sinusi, kosinusi,tangensi va kotangensi to’g’ri burchakli uchburchakning o’tkir burchagining sinusi dep, shu burchakning qarshisidagi katetning gipotenuzasina nisbatiga aytiladi. v s a to’g’ri burchakli uchburchakning o’tkir burchaginig sinusi, kosinusi, tangensi va kotangensi to’g’ri burchakli uchburchakning o’tkir burchakning kosinusi deb shu burchakning yopishgan ...

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