1 cos2x sin2x 1 cos2x sin2x tgx
[DOC File]FORMULE - Weebly
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FORMULE TRIGONOMETRICE. Formula fundamentala: Formule provenite din formula fundamentala: Funcţii trigonometrice: Paritatea si imparitatea functiilor trigonometrice:
[DOC File]Основні способи розв'язування тригонометричних рівнянь
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1) sin6x + sin2x = 0; 2) cos2x + sin2x = cosx + 2. 512. Знайти найменший додатний корінь рівняння: 1) (1 – cos6x)cos2x = sin23x; 2) 1 + cos4x = sin3x – sinx. 513. Знайти найбільший від'ємний та найменший додатний корені рівняння:
[DOC File]XTEC
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Trobeu el valor numèric de: cos2x – sin2x + tg2x per a x = (/3 rad. R.: 5/2. Trobeu el valor numèric de: (1 / cos2x) + (1 / sin2x) – 5tg2x + (1 / tg2x) per a x = (/4 rad. R.: 0. Simplifiqueu les expresions següents: R.: a) sin a b) cos a. Simplifiqueu les expressions següents: R.: a) 1 + cos a b) sin a + cos a
[DOCX File]weblahko.sk
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Goniometria 1. Dokážte, že platí a určte aj definičný obor výrazov: a) . 1 cosx – sin x . tg x = cos x b) tg 2 x- sin 2 x sin 2 x = tg 2 x c) 1+cos2x 1-cos2x = cotg 2 . x Uprav výraz a určte ich definičné obory : a) . sin x+sin2x 1+cosx+cos2x = b) 1+cos2x 1-cos2x . = Veľkosti uhlov 65ᵒ 175ᵒ 10´ 215ᵒ 35´ 312ᵒ40´
[DOC File]Открытый урок
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Приложение №2. Вариант 1. 5cos²x+7cosx-6=0 8cos²x-10sinx-11=0 10tg²x+11tgx-6=0 cosx-3sinx=0 2sin²x-sinx=0 sin3x-sin5x=0 2sin2x+5sinx=0 sin2x+4cos²x=0 5cos2x-6cos²x=0 9cos2x+3cosx-1=0 5sin2x-18cos²x+14=0 3cosx+11sinx+9=0 Вариант 2
[DOC File]BAB 6 TURUNAN (DERIVATIVE)
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TURUNAN FUNGSI. Definisi : Turunan dari suatu fungsi pada titik tertentu menjelaskan sifat-sifat fungsi yang mendekati nilai input. Untuk fungsi yang bernilai real dengan variabel real tunggal, turunan pada sebuah titik sama dengan kemiringan dari garis singgung grafik fungsi pada titik tersebut.
[DOC File]İZMİR FEN LİSESİ LİSE 1 MATEMATİK
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34. tg² x – (1+)tgx+=0 denklemini çözünüz. 35. sin2x=2cos3x denklemini çözünüz. 36. sin² x+2sinxcosx-2cos² x= denklemini çözünüz. 37. sinx+sin2x+sin3x=4coscosxcos. denklemini çözünüz. 38. 2sin3x=3cosx+cos3x denklemini çözünüz. 39. tgx+tg2x=tg3x denklemini çözünüz. 40. 1+sinx+sin2x+sin3x=cosx – cos2x+cos3x ...
PHÖÔNG TRÌNH LÖÔÏNG GIAÙC
Vôùi x ( + k( chia hai veá cuûa phöông trình cho cos2x roài ñaët t = tgx. Caùch 2: Thay sin2x = (1 – cos 2x ), cos2x = (1+ cos 2x) , sinxcosx = sin2x ta ñöôïc phöông trình baäc nhaát theo sin2x vaø cos2x .
[DOC File]Zadaci usmenog dijela maturalnog ispita iz matematike 2002 ...
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96. Odredi 3tg x + 3ctg x , ako je 2 sin x + 2 cos x = 1. (R:-8) 97. Odredi zbroj rješenja jednadžbe: log8(sin2x)= na intervalu . IV. godina. 98. Aksiom matematičke indukcije. Dokaži da je izraz 23n-7n-1 djeljiv sa 49. 99. Suma aritmetičkog niza - izvod. Duljine stranica trokuta čine aritmetički niz s diferencijom 2.
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sin5x+sinx sin5x-sinx = 2 -tg2x ⇔ 2sin3xcos2x 2sin2xcos3x =- cos2x sin2x , откъдето tg3x=-1 и x=- π 13 + π 3 .n, n∈Z. От дефиниционната област на даденото уравнение имаме x ≠πq, q∈Z,
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