Н а й д и т е sin ⁡ α , е с л и cos ⁡ α = 91 10 Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{91}}{10} Н а й д и т е sin α , е с л и cos α = 1 0 9 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 3 10 -\frac{3}{10} − 1 0 3

± 3 10 \pm\frac{3}{10} ± 1 0 3

Н а й д и т е cos ⁡ α , е с л и sin ⁡ α = 4 11 15 Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{4\sqrt{11}}{15} Н а й д и т е cos α , е с л и sin α = 1 5 4 1 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

± 7 15 \pm\frac{7}{15} ± 1 5 7

− 7 15 -\frac{7}{15} − 1 5 7

Н а й д и т е t g α , е с л и sin ⁡ α = 3 2 Найдите\ tg\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2} Н а й д и т е t g α , е с л и sin α = 2 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

3 \sqrt{3} 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

3 3 \frac{\sqrt{3}}{3} 3 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

1 3 \frac{1}{\sqrt{3}} 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> 1

Синус, косинус, тангенс.

Authored by Алёна Капитонова

Mathematics

9th Grade

CCSS covered

Used 48+ times

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10 questions

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MULTIPLE SELECT QUESTION

45 sec • 1 pt

Отметьте значения, которые может иметь абсцисса точки единичной полуокружности.

-5

0,3

$-\frac{1}{12}$

$1\frac{1}{5}$

1,009

Tags

CCSS.HSF.TF.A.2

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Отметьте значения, которые может иметь ордината точки единичной полуокружности

0,16

-0,002

$\frac{3}{2}$

Tags

CCSS.HSF.TF.A.2

FILL IN THE BLANK QUESTION

2 mins • 1 pt

$Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2}$
Введите набольшее значение в поле, например, 0,3 или 4

Tags

CCSS.HSF.TF.C.8

FILL IN THE BLANK QUESTION

2 mins • 1 pt

$Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{21}}{5}$
Введите значение в поле, например, 0,3 или 4

Tags

CCSS.HSF.TF.C.8

MULTIPLE SELECT QUESTION

45 sec • 1 pt

$Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{91}}{10}$

$\frac{3}{10}$

$-\frac{3}{10}$

$\pm\frac{3}{10}$

Вычислить невозможно

Tags

CCSS.HSF.TF.C.8

MULTIPLE SELECT QUESTION

2 mins • 1 pt

$Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{4\sqrt{11}}{15}$

$\frac{7}{15}$

$-\frac{7}{15}$

$\pm\frac{7}{15}$

Вычислить невозможно

Tags

CCSS.HSF.TF.C.8

MULTIPLE SELECT QUESTION

2 mins • 1 pt

$Найдите\ tg\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2}$

Вычислить невозможно

$\frac{\sqrt{3}}{3}$

$\frac{1}{\sqrt{3}}$

$\sqrt{3}$

Tags

CCSS.HSF.TF.C.8

FILL IN THE BLANK QUESTION

1 min • 1 pt

$Как\ называется\ равенство\ \ \sin^2\alpha+\cos^2\alpha=1?$

Ответ необходимо ввести с маленькой буквы, например, формула приведения.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$Укажите\ чему\ равен\ \sin0\degree$

-1

Tags

CCSS.HSF.TF.A.2

10.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$Укажите\ чему\ равен\ \cos90\degree$

-1

Tags

CCSS.HSF.TF.A.2

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Синус, косинус, тангенс.

Отметьте значения, которые может иметь абсцисса точки единичной полуокружности.

Отметьте значения, которые может иметь ордината точки единичной полуокружности

Найдите cos⁡α, если sin⁡α=32Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2}Найдите cosα, если sinα=23​​ Введите набольшее значение в поле, например, 0,3 или 4

Найдите sin⁡α, если cos⁡α=215Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{21}}{5}Найдите sinα, если cosα=521​​ Введите значение в поле, например, 0,3 или 4

Найдите sin⁡α, если cos⁡α=9110Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{91}}{10}Найдите sinα, если cosα=1091​​

Найдите cos⁡α, если sin⁡α=41115Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{4\sqrt{11}}{15}Найдите cosα, если sinα=15411​​

Найдите tgα, если sin⁡α=32Найдите\ tg\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2}Найдите tgα, если sinα=23​​

Укажите чему равен sin⁡0°Укажите\ чему\ равен\ \sin0\degreeУкажите чему равен sin0°

Укажите чему равен cos⁡90°Укажите\ чему\ равен\ \cos90\degreeУкажите чему равен cos90°

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Discover more resources for Mathematics

$Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2}$
Введите набольшее значение в поле, например, 0,3 или 4

$Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{21}}{5}$
Введите значение в поле, например, 0,3 или 4

$Найдите\ \sin\alpha,\ если\ \cos\alpha=\frac{\sqrt{91}}{10}$

$Найдите\ \cos\alpha,\ если\ \sin\alpha=\frac{4\sqrt{11}}{15}$

$Найдите\ tg\alpha,\ если\ \sin\alpha=\frac{\sqrt{3}}{2}$

$Укажите\ чему\ равен\ \sin0\degree$

$Укажите\ чему\ равен\ \cos90\degree$