9 sinf trigonometriya

algebra mavzu: trigonometrik formulalar 9-sinf i9 presentation to joe smith ‹#› 360o 1 rad = ≈ 57o17'45'' x 1 -1 -1 1 m 1 rad o 0 y burchakning radian o‘lchovi i9 presentation to joe smith ‹#› ayni bir burchakning sinusi, kosinusi va tangensi orasidagi munosabatlar u x  pifagor teoremasiga asosan: sin cos tenglikning ikki qismini ga bo‘lamiz | : i9 presentation to joe smith ‹#› x birlik aylana r = 1 y o m(x;y) x y d * * i9 presentation to joe smith ‹#› 4 «geometriya 7-9» l.s. atanasyan i dr. har qanday oraliqdagi burchak uchun y o‘qidagi ordinata burchak sinusi, x o‘qidagi absissasi burchak kosinusi deb ataladi. x y d(1;0) c(0;1) o b(-1;0) ! a i9 …

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