AnswersCREDIT RE-SEAT MNPS Integrated Math III IC S2 26-27Right Triangle Trigonometry

Right Triangle Trigonometry — Unit test Answers

12 verified answers3 views
1
Free Preview

Use the unit circle to find the value of .a.undefinedc.b.d.

Question illustration
A
A
B
B
C
C
D
D
2
Free Preview

Find the values of the six trigonometric functions of an angle in standard position if the point with coordinates (6,-5) lies on its terminal side.a.c.b.d.

Question illustration
A
A
B
B
C
C
D
D
3

Find the values of the six trigonometric functions of an angle in standard position if the point with coordinates (12, 5) lies on its terminal side.

Question illustration
A
sin a = , cos a = , tan a = csc a = , sec a = , cot a =
B
sin a = , cos a = , tan a = csc a = , sec a = , cot a =
C
sin a = , cos a = , tan a = csc a = , sec a = , cot a =
D
sin a = , cos a = , tan a = csc a = , sec a = , cot a =
4

An angle measuring (870n)° is in standard position. For which value of n will the terminal side fall on the y-axis?

A
n = 3
B
n = 4
C
n = 5
D
n = 6
5

A circle has a central angle measuring radians that intersects an arc of length 18 cm. What is the length of the radius of the circle? Round your answer to the nearest tenth. Use 3.14 for .

Question illustration
A
3.7 cm
B
4.9 cm
C
14.3 cm
D
15.4 cm
6

Which values for have the same reference angles?

Question illustration
A
, ,
Option A
B
, ,
Option B
C
, ,
Option C
D
, ,
Option D
8

What is the approximate length of arc s on the circle below? Use 3.14 for . Round your answer to the nearest tenth.

Question illustration
A
5.8 ft
B
6.3 ft
C
27.5 ft
D
69.1 ft
9

On a separate sheet of paper, draw a unit circle. Use the drawing to complete the chart below that indicates the sign of the trigonometric functions in each quadrant.In the box below, state the quadrant in which the following conditions are met:a.The sine and tangent functions are both negative in this quadrant.b.The cosine and cotangent functions are both negative in this quadrant.

Question illustration
Answer not available
10

Which of the following represents the measures of all angles coterminal with a –220° angle?

A
360 + 140n, for any whole number n
B
360 + 140n, for any integer n
C
140+ 360n, for any whole number n
D
140 + 360n, for any integer n
11

For which value of is cot () undefined?

Question illustration
A
90º
B
180º
C
270º
D
450º
12

Earth revolves on its axis once every 24 hours. Which statements are true? Check all that apply.The angular velocity of Earth is π/12 radians per hour. The angular velocity of Earth is π/12 radians per day. The angular velocity of Earth is 2π radians per hour.The angular velocity of Earth is 2π radians per day. The angular velocity of Earth is 12π radians per day.

A
The angular velocity of Earth is π/12 radians per hour.
B
The angular velocity of Earth is π/12 radians per day.
C
The angular velocity of Earth is 2π radians per hour.
D
The angular velocity of Earth is 2π radians per day.
E
The angular velocity of Earth is 12π radians per day.
13

Angle B has a measure between 0° and 360° and is coterminal with a –865° angle. What is the measure of angle B?

A
110°
B
115°
C
210°
D
215°
15

The time it takes a spinner to stop completely is 12 seconds. If the spinner completes 6 revolutions in this time, what was the average angular velocity of the spinner, in radians per second, for the 12-second interval?

A
π
B
2π
C
4π
D
12π

Did you find these answers helpful?

More from this Course

Assignment
15 verified answers

Evaluating the Six Trigonometric Functions

Assignment
15 verified answers

The Unit Circle

Assignment
14 verified answers

Right Triangle Trigonometry