Тригонометрические функции, их графики и свойства
График функции y=sin(x).
Основные свойства:
- Область определения вся числовая ось.
- Функция ограниченная. Множество значений – отрезок [-1;1].
- Функция нечетная.
- Функция периодическая с наименьшим положительным периодом равным 2
.
График функции y = cos(x).
Основные свойства:
- Область определения вся числовая ось.
- Функция ограниченная. Множество значений – отрезок [-1;1].
- Функция четная.
- Функция периодическая с наименьшим положительным периодом равным 2
.
График функции y = tg(x).
Основные свойства:
- Область определения вся числовая ось, за исключением точек вида x=
/2 +
*k, где k – целое.
- Функция неограниченная. Множество значение вся числовая прямая.
- Функция нечетная.
- Функция периодическая с наименьшим положительным периодом равным
.
График функции y=ctg(x).
Основные свойства:
- Область определения вся числовая ось, за исключением точек вида x =
*k, где k – целое.
- Функция неограниченная. Множество значение вся числовая прямая.
- Функция нечетная.
- Функция периодическая с наименьшим положительным периодом равным
.
Вопросы к конспектам
Найдите область значений функции 2sinx + cos2x.
Найдите область значений функции y = 2sinx – 3
Найдите область определения функции : format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2223%22%3Ey%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math143f4d31b04031e49f5eb18baba%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2213.5%22%20y%3D%2223%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2220.5%22%20x2%3D%2295.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%228%2C-15%208%2C-15%204%2C-1%201%2C-6%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(22.5%2C16.5)%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%224%2C-1%201%2C-6%200%2C-6%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(22.5%2C16.5)%22%2F%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2231.5%22%20x2%3D%2293.5%22%20y1%3D%221.5%22%20y2%3D%221.5%22%2F%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2235.5%22%20y%3D%2214%22%3Ec%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2241.5%22%20y%3D%2214%22%3Eo%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2248.5%22%20y%3D%2214%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2254.5%22%20y%3D%2214%22%3Ex%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math143f4d31b04031e49f5eb18baba%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2264.5%22%20y%3D%2214%22%3E%26%23x2212%3B%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2273.5%22%20y%3D%2214%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2277.5%22%20y%3D%2214%22%3Ei%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2282.5%22%20y%3D%2214%22%3En%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2289.5%22%20y%3D%2214%22%3Ex%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2258.5%22%20y%3D%2230%22%3E2%3C%2Ftext%3E%3C%2Fsvg%3E)
Найдите область определения функции format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2226%22%3Ey%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math17f39f8317fbdb1988ef4c628eb%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2213.5%22%20y%3D%2226%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2221.5%22%20x2%3D%2271.5%22%20y1%3D%2220.5%22%20y2%3D%2220.5%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%2212%2C-16%2011%2C-16%205%2C0%202%2C-6%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(23.5%2C16.5)%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%225%2C0%202%2C-6%200%2C-5%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(23.5%2C16.5)%22%2F%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2235.5%22%20x2%3D%2269.5%22%20y1%3D%220.5%22%20y2%3D%220.5%22%2F%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2240.5%22%20y%3D%2215%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2244.5%22%20y%3D%2215%22%3Ei%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2249.5%22%20y%3D%2215%22%3En%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2257.5%22%20y%3D%2215%22%3E2%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2264.5%22%20y%3D%2215%22%3Ex%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2243.5%22%20y%3D%2233%22%3Ecos%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2256.5%22%20y%3D%2233%22%3Ex%3C%2Ftext%3E%3C%2Fsvg%3E)
Найдите область определения функции format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2222%22%3Ey%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math143f4d31b04031e49f5eb18baba%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2213.5%22%20y%3D%2222%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2220.5%22%20x2%3D%2265.5%22%20y1%3D%2217.5%22%20y2%3D%2217.5%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%228%2C-13%208%2C-13%204%2C-1%201%2C-6%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(25.5%2C15.5)%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%224%2C-1%201%2C-6%200%2C-5%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(25.5%2C15.5)%22%2F%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2234.5%22%20x2%3D%2261.5%22%20y1%3D%222.5%22%20y2%3D%222.5%22%2F%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2238.5%22%20y%3D%2213%22%3Ec%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2244.5%22%20y%3D%2213%22%3Eo%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2251.5%22%20y%3D%2213%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2257.5%22%20y%3D%2213%22%3Ex%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2225.5%22%20y%3D%2230%22%3E1%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math143f4d31b04031e49f5eb18baba%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2235.5%22%20y%3D%2230%22%3E%26%23x2212%3B%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2244.5%22%20y%3D%2230%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2248.5%22%20y%3D%2230%22%3Ei%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2253.5%22%20y%3D%2230%22%3En%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2260.5%22%20y%3D%2230%22%3Ex%3C%2Ftext%3E%3C%2Fsvg%3E)
Найдите область определения функции format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2222%22%3Ey%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math1564b4c0e54101ac57a0cb68c16%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2213.5%22%20y%3D%2222%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2220.5%22%20x2%3D%2268.5%22%20y1%3D%2217.5%22%20y2%3D%2217.5%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%228%2C-13%208%2C-13%204%2C-1%201%2C-6%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(22.5%2C15.5)%22%2F%3E%3Cpolyline%20fill%3D%22none%22%20points%3D%224%2C-1%201%2C-6%200%2C-5%22%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20transform%3D%22translate(22.5%2C15.5)%22%2F%3E%3Cline%20stroke%3D%22%23B94A48%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2231.5%22%20x2%3D%2266.5%22%20y1%3D%222.5%22%20y2%3D%222.5%22%2F%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2235.5%22%20y%3D%2213%22%3Ec%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2241.5%22%20y%3D%2213%22%3Eo%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2248.5%22%20y%3D%2213%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2255.5%22%20y%3D%2213%22%3E2%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2262.5%22%20y%3D%2213%22%3Ex%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2227.5%22%20y%3D%2230%22%3E1%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22math1564b4c0e54101ac57a0cb68c16%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%2237.5%22%20y%3D%2230%22%3E%2B%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2246.5%22%20y%3D%2230%22%3Es%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2250.5%22%20y%3D%2230%22%3Ei%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2255.5%22%20y%3D%2230%22%3En%3C%2Ftext%3E%3Ctext%20fill%3D%22%23B94A48%22%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2262.5%22%20y%3D%2230%22%3Ex%3C%2Ftext%3E%3C%2Fsvg%3E)
Последнее изменение: Понедельник, 30 Январь 2017, 20:12