FREE Pre-Calculus Trigonometry Questions and Answers

Question 1

Find the length of AC for the given triangle if tan(x) = 40/9.

Accepted Answer

41

Answer

50

Answer

40

Answer

49

Question 2

Which way do you measure a positive angle?

Accepted Answer

Counterclockwise

Answer

Clockwise

Answer

Up

Answer

Down

Question 3

Determine the degree size of one complete revolution.

Accepted Answer

360

Answer

180

Answer

90

Answer

270

Question 4

Which measurement system is most commonly used to express the size of an angle?

Accepted Answer

Degrees

Answer

Radians

Answer

Revolutions

Answer

Gradians

Question 5

What is the approximate value of π (pi) ?

Accepted Answer

3.14

Answer

2.14

Answer

2.16

Answer

3.15

Question 6

What is an angle's radian value for a single revolution?

Accepted Answer

2π

Answer

π/2

Answer

π

Answer

π/4

Question 7

Find the cosine of a  if the sides a and b of a right triangle are 8 and 6, respectively.

Accepted Answer

3/5

Answer

2/5

Answer

1/5

Answer

5/3

Question 8

If a is 3 and c is 5, find the tangent of a right triangle.

Accepted Answer

3/4

Answer

5/3

Answer

1/4

Answer

4/3

Question 9

Turn 360 degrees into radians.

Accepted Answer

2π

Answer

π/3

Answer

4π

Answer

π/2

Question 10

Use the Pythagorean theorem to find the length of the hypotenuse, c.

Accepted Answer

2√61

Answer

244

Answer

2√16

Answer

2√122