Free Printable Ôn tập góc lượng giác & giá trị lượng giác || Toán 11

1.

Cos(180-a)?

a)

Cos(a)

b)

-Cos(a)

c)

Sin(a)

d)

-Sin(a)

2.

Sin(90-a)?

a)

Sin(a)

b)

-Sin(a)

c)

Cos(a)

d)

-Cos(a)

3.

Tan(180-a)?

a)

Tan(a)

b)

-Tan(a)

c)

-Cot(a)

d)

Cot(a)

4.

Cos(90-a)?

a)

Cos(a)

b)

-Cos(a)

c)

Sin(a)

d)

-Sin(a)

5.

Sin(180-a)?

a)

Sin(a)

b)

-Sin(a)

c)

Cos(a)

d)

-Cos(a)

6.

Tan(90-a)?

a)

Tan(a)

b)

-Tan(a)

c)

-Cot(a)

d)

Cot(a)

7.

Cot(180-a)?

a)

-Cot(a)

b)

Tan(a)

c)

Cot(a)

d)

Sin(a)

8.

Cos(90-a)?

a)

Cos(a)

b)

-Cos(a)

c)

Sin(a)

d)

-Sin(a)

9.

Cos(-a)?

a)

Cos(a)

b)

-Sin(a)

c)

-Cos(a)

d)

Sin(a)

10.

Sin(-a)?

a)

-Sin(a)

b)

Cot(a)

c)

Tan(a)

d)

Cos(a)

11.

Tan(-a)?

a)

Sin(a)

b)

-Cot(a)

c)

Cos(a)

d)

-Tan(a)

12.

Cot(-a)?

a)

-Cot(a)

b)

Tan(a)

c)

Sin(a)

d)

Cot(a)

13.

Cos(180+a)?

a)

Tan(a)

b)

Sin(a)

c)

-Cos(a)

d)

-Sin(a)

14.

Sin(180+a)?

a)

-Sin(a)

b)

Cos(a)

c)

Tan(a)

d)

Cot(a)

15.

Tan(180+a)?

a)

Cot(a)

b)

Tan(-a)

c)

-Tan(a)

d)

Tan(a)

16.

Cot(180+a)?

a)

Tan(a)

b)

Cot(a)

c)

-Cot(a)

d)

-Cot(180-a)

17.

Đâu là hệ thức cơ bản đúng?

a)

Sin²a - Cos²a = 1

b)

Sin²a - Cos²a = 0

c)

Sin²a + Cos²a = 1

d)

Sin²a + Cos²a = 0

18.

Đâu là hệ thức cơ bản đúng?

a)

$\frac{1}{\cos^2\alpha}=1-\tan^2\alpha$

b)

$\frac{1}{\sin^2\alpha}=1+\tan^2\alpha$

c)

$\frac{1}{\sin^2\alpha}=1-\tan^2\alpha$

d)

$\frac{1}{\cos^2\alpha}=1+\tan^2\alpha$

19.

Đâu là hệ thức cơ bản đúng?

a)

$\frac{1}{\sin^2\alpha}=1+\cot^2\alpha$

b)

$\frac{1}{\cos^2\alpha}=1-\tan^2\alpha$

c)

$\frac{1}{\sin^2\alpha}=1+\tan^2\alpha$

d)

$\frac{1}{\cos^2\alpha}=1-\cot^2\alpha$

20.

Đâu là hệ thức cơ bản đúng?

a)

Tan²a.Cot²a = 1

b)

Tana.Cota' = 0

c)

Tan²a.Cot²a = 0

d)

Tana.Cota= 1

21.

Cos(90) = ?

a)

1

b)

0

c)

45

d)

180

22.

Cos(0) = ?

a)

1

b)

$\frac{\sqrt[]{2}}{2}$

c)

$\sqrt[]{3}$

d)

$\frac{1}{2}$

23.

Cos(30) = ?

a)

1

b)

$\frac{\sqrt[]{2}}{2}$

c)

$\frac{\sqrt[]{3}}{2}$

d)

$\frac{1}{2}$

24.

Cos(45) = ?

a)

1

b)

$\frac{1}{2}$

c)

$\frac{\sqrt[]{3}}{2}$

d)

$\frac{\sqrt[]{2}}{2}$

25.

Sin(0) = ?

a)

1

b)

$\frac{\sqrt[]{2}}{2}$

c)

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

d)

0

26.

Sin(30) = ?

a)

$\frac{\sqrt[]{2}}{2}$

b)

$\frac{1}{2}$

c)

$\frac{\sqrt[]{3}}{2}$

d)

1

27.

Sin(45) = ?

a)

$\frac{1}{2}$

b)

1

c)

$\frac{\sqrt[]{3}}{2}$

d)

$\frac{\sqrt[]{2}}{2}$

28.

Sin(60) = ?

a)

$\frac{\sqrt[]{2}}{2}$

b)

$\frac{\sqrt[]{3}}{2}$

c)

0

d)

1

29.

Sin(90) = ?

a)

$\frac{\sqrt[]{2}}{2}$

b)

1

c)

0

d)

$\frac{1}{2}$

30.

Tan(0) = ?

a)

0

b)

$\frac{1}{2}$

c)

1

d)

Undefined

31.

Tan(30) = ?

a)

$\frac{\sqrt[]{2}}{2}$

b)

$\frac{1}{2}$

c)

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

d)

$\sqrt[]{3}$

32.

Tan(45) = ?

a)

2

b)

0.5

c)

90

d)

1

33.

Tan(60) = ?

a)

0

b)

$\frac{\sqrt[]{3}}{2}$

c)

$\sqrt[]{3}$

d)

1

34.

Tan(90) = ?

a)

$\frac{\sqrt[]{2}}{2}$

b)

0

c)

1

d)

Undefined

35.

Cot(0) = ?

a)

Undefined

b)

0

c)

$\frac{1}{2}$

d)

1

36.

Cot(30) = ?

a)

$\sqrt[]{3}$

b)

$\frac{\sqrt[]{2}}{2}$

c)

1

d)

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

37.

Cot(45) = ?

a)

$\frac{1}{2}$

b)

0

c)

1

d)

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

38.

Cot(60) = ?

a)

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

b)

1

c)

$\frac{1}{2}$

d)

$\frac{\sqrt[]{2}}{3}$

39.

Cot(90) = ?

a)

1

b)

0

c)

$\frac{\sqrt[]{2}}{2}$

d)

Undefined

40.

Đâu là hệ thức cơ bản đúng?

a)

$\tan\left(\alpha+\beta\right)=\frac{\tan a+\tan b}{1+\tan a\ .\tan b}$

b)

$\tan\left(\alpha+\beta\right)=\frac{\tan a+\tan b}{1+\tan b\ .\tan b}$

c)

$\tan\left(\alpha+\beta\right)=\frac{\tan a+\tan b}{1-\tan a\ .\tan b}$

d)

$\tan\left(\alpha+\beta\right)=\frac{\tan a-\tan a}{1+\tan a\ .\tan b}$

41.

Đâu là hệ thức cơ bản đúng?

a)

$\tan\left(\alpha-\beta\right)=\frac{\tan a+\tan b}{1-\tan a\ .\tan b}$

b)

$\tan\left(\alpha-\beta\right)=\frac{\tan a-\tan b}{1+\tan a\ .\tan b}$

c)

$\tan\left(\alpha-\beta\right)=\frac{\tan a+\tan b}{1-\tan a\ .\tan a}$

d)

$\tan\left(\alpha-\beta\right)=\frac{\tan a-\tan b}{1-\tan a\ .\tan b}$

42.

$Sin2\alpha\ =\ ?$

a)

$2\sin\alpha\ .\cos\alpha$

b)

$2\sin\alpha^2$

c)

$\sin\alpha\ .\cos\alpha$

d)

$2\sin\alpha-1$

43.

$Cos2a\ =\ ?$

a)

$\cos^2\alpha+1$

b)

$2\cos^2\alpha-1$

c)

$2\cos\alpha-1$

d)

$\cos^2\alpha-1$

44.

$Cos2\alpha=?$

a)

$2\sin^2\alpha-1$

b)

$2\sin\alpha-1$

c)

$1+2\sin^2\alpha$

d)

$1-2\sin^2\alpha$

45.

$Cos2\alpha=?$

a)

$\cos a-\sin\alpha$

b)

$\cos^2a-\sin^2\alpha$

c)

$\cos^2a+\sin^2\alpha$

d)

$2\cos^2a-\sin^2\alpha$

46.

$\tan2\alpha=?$

a)

$\frac{\tan\alpha}{1-\tan^2\alpha}$

b)

$\frac{2\tan\alpha}{1-\tan^2\alpha}$

c)

$\frac{2\tan\alpha}{1+\tan^2\alpha}$

d)

$\frac{2\tan\alpha}{\tan^2\alpha-1}$

47.

$\sin^2\alpha=?$

a)

$\frac{\cos2\alpha-1}{2}$

b)

$\frac{1-\cos2\alpha}{2}$

c)

$\frac{1+\cos2\alpha}{2}$

d)

$\frac{1-\cos^2\alpha}{2}$

48.

$\cos^2\alpha=?$

a)

$\frac{\cos2\alpha+1}{2}$

b)

$\frac{1+\cos2\alpha}{2}$

c)

$\frac{1-\cos2\alpha}{2}$

d)

$\frac{\cos2\alpha-1}{2}$

49.

$\sin3a=?$

a)

$3\sin\alpha-4\sin^3\alpha$

b)

$4\sin\alpha+3\sin^3\alpha$

c)

$3\sin\alpha+4\sin^3\alpha$

d)

$4\sin\alpha-3\sin^3\alpha$

50.

$\cos3\alpha=?$

a)

$4\cos\alpha-3\cos^3\alpha$

b)

$3\cos^3\alpha-4\cos\alpha$

c)

$4\cos^3\alpha-3\cos\alpha$

d)

$3\cos\alpha-4\cos^3\alpha$

51.

$\cos\alpha\ .\ \cos\beta\ =\ ?$

a)

$\frac{1}{2}\left(\cos\left(\alpha+\beta\right)+\cos\left(\alpha-\beta\right)\right)$

b)

$\frac{1}{2}\left(\cos\left(\alpha-\beta\right)+\cos\left(\alpha-\beta\right)\right)$

c)

$\frac{1}{2}\left(\cos\left(\alpha-\beta\right)-\cos\left(\alpha+\beta\right)\right)$

d)

$\frac{1}{2}\left(\cos\left(\alpha+\beta\right)-\cos\left(\alpha+\beta\right)\right)$

52.

$\sin\alpha\ .\ \sin\beta\ =\ ?$

a)

$-\frac{1}{2}\left(\cos\left(\alpha+\beta\right)-\cos\left(\alpha-\beta\right)\right)$

b)

$-\frac{1}{2}\left(\cos\left(\alpha-\beta\right)+\cos\left(\alpha+\beta\right)\right)$

c)

$-\frac{1}{2}\left(\cos\left(\alpha-\beta\right)+\cos\left(\alpha-\beta\right)\right)$

d)

$-\frac{1}{2}\left(\cos\left(\alpha-\beta\right)-\cos\left(\alpha+\beta\right)\right)$

53.

$\sin\alpha\ .\ \cos\beta\ =\ ?$

a)

$\frac{1}{2}\left(\sin\left(\alpha+\beta\right)-\sin\left(\alpha-\beta\right)\right)$

b)

$\frac{1}{2}\left(\sin\left(\alpha+\beta\right)+\sin\left(\alpha-\beta\right)\right)$

c)

$\frac{1}{2}\left(\sin\left(\alpha-\beta\right)+\sin\left(\alpha-\beta\right)\right)$

d)

$\frac{1}{2}\left(\sin\left(\alpha-\beta\right)-\sin\left(\alpha+\beta\right)\right)$

54.

$\cos\alpha\ +\ \cos\beta\ =\ ?$

a)

$2\cos\frac{\alpha+\beta}{2}.\sin\frac{\alpha-\beta}{2}$

b)

$2\cos\frac{\alpha+\beta}{2}.\cos\frac{\alpha-\beta}{2}$

c)

$2\cos\frac{\alpha+\beta}{2}.\cos\frac{\beta-\alpha}{2}$

d)

$2\sin\frac{\alpha+\beta}{2}.\sin\frac{\alpha-\beta}{2}$

55.

$\cos\alpha-\cos\beta\ =\ ?$

a)

$2\sin\frac{\alpha+\beta}{2}.\sin\frac{\alpha-\beta}{2}$

b)

$-2\cos\frac{\alpha+\beta}{2}.\cos\frac{\alpha-\beta}{2}$

c)

$-2\sin\frac{\alpha+\beta}{2}.\sin\frac{\alpha-\beta}{2}$

d)

$-2\sin\frac{\alpha+\beta}{2}.\cos\frac{\alpha-\beta}{2}$

56.

$\sin\alpha+\sin\beta\ =\ ?$

a)

$2\sin\frac{\alpha+\beta}{2}\ .\ \sin\frac{\alpha+\beta}{2}$

b)

$2\sin\frac{\alpha+\beta}{2}\ .\ \cos\frac{\alpha-\beta}{2}$

c)

$2\sin\frac{\alpha+\beta}{2}\ .\ \cos\frac{\alpha+\beta}{2}$

d)

$2\cos\frac{\alpha-\beta}{2}\ .\ \cos\frac{\alpha-\beta}{2}$

57.

$\sin\alpha\ -\ \sin\beta\ =\ ?$

a)

$2\sin\frac{\alpha+\beta}{2}\ .\ \sin\frac{\alpha-\beta}{2}$

b)

$2\cos\frac{\alpha+\beta}{2}\ .\ \cos\frac{\alpha-\beta}{2}$

c)

$2\cos\frac{\alpha+\beta}{2}\ .\ \sin\frac{\alpha-\beta}{2}$

d)

$2\cos\frac{\alpha-\beta}{2}\ .\ \sin\frac{\alpha-\beta}{2}$

Ôn tập góc lượng giác & giá trị lượng giác || Toán 11

Total questions: 57

Worksheet time: 29mins

Similar Resources on Wayground