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Quiz #1 Trigonometry

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

In this right triangle, sin θ is equal to

a)

35\frac{\text{3}}{\text{5}}

b)

34\frac{\text{3}}{\text{4}}  

c)

43\frac{\text{4}}{\text{3}}

d)

53\frac{\text{5}}{\text{3}}

2.

In the mnemonics, SOH – CAH – TOA, CAH is the formula for

a)

sine

b)

cosine

c)

cosecant

d)

tangent

3.

Identify the adjacent in this right triangle.

a)

AB

b)

BC

c)

AC

4.

Identify the hypotenuse in this right triangle.

a)

AB

b)

AC

c)

BC

5.

Identify the reference angle in this right triangle.

a)

∠A

b)

∠B

c)

∠C

6.

Identify the reference angle in this right triangle.

a)

∠A

b)

∠B

c)

∠C

7.

This symbol means "theta" or reference angle.

a)

σ

b)

θ

c)

d)

°

8.

The side of a right triangle opposite to the 90o angle is called the

a)

hypotenuse

b)

reference angle

c)

opposite

d)

adjacent

9.

Pythagorean Theorem, a2+b2=c2a^2+b^2=c^2  , is used to find the length of any side of a right triangle

a)

True

b)

False

10.

CONVERT INTO DEGREE-MINUTE-SECOND (DMS)

45.390 °\degree

a)

45 °\degree 3'90"

b)

45 °\degree 23'24"

c)

45 °\degree 23'90"

d)

45 °\degree 3'24"

11.

If cotθ = -4/3, then tanθ is equal to -3/4.

a)

True

b)

False

12.

If sinθ = 5/13, then cscθ is equal to 13/5.

a)

True

b)

False

13.

Write sine 40 degree as it's consumption been cosine is 50 degree.

a)

False

b)

True

14.

Write cot 45⁰ as its conduction. Then it equal to tan 45⁰.

a)

True

b)

False

15.

Write cosA as it's confunction. Then it equal to sinA

a)

True

b)

False

16.

What are the three identities of Trigonometry? 

4 lines
17.

What are the eight basic trigonometric identities?

4 lines
18.

What is the basic rule of Trigonometry? 

4 lines
19.

What are the important angles in trigonometry? 

4 lines
20.

What are the four main parts in unit circle? 

4 lines