Multiple Choice Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
  radians is equal to how many degrees?
|
|
|
2.
|
Determine the equation of a circle with centre at (3, –3) and radius
10.
|
|
|
3.
|
Which graph represents an angle in standard position with a measure of p rad?
|
|
|
4.
|
Which graph represents an angle in standard position with a measure of
135°?
|
|
|
5.
|
Determine the measure of the angle in standard position shown on the graph
below. Round your answer to the nearest tenth of a degree.
A. | 161.6° | C. | 71.6° | B. | 341.6° | D. | 251.6° |
|
|
|
6.
|
Identify a measure for the central angle q in the
interval  such that point ( ,  ) is on the terminal arm.
|
|
|
7.
|
If the angle q is 1600° in standard position, in
which quadrant does it terminate?
A. | quadrant III | C. | quadrant II | B. | quadrant IV | D. | quadrant I |
|
|
|
8.
|
Which function is represented by the graph shown below, where x is in
degrees?
A. | y = sin( x) | C. | y = cos( x) | B. | y =
cos(x) | D. | y
= sin(x) |
|
|
|
9.
|
What is the amplitude of the sinusoidal function  ?
A. |  | C. | –5 | B. | –8 | D. | 7 |
|
|
|
10.
|
Which graph represents the sinusoidal function  ?
|
|
|
11.
|
What are the solutions for   = 0 in the interval  ?
A. |  | C. | x = 90° and 270°  | B. | x = 30° and 210°  | D. | x = 60°
and 240° and 45°
|
|
|
|
Use the following information to answer the questions.The height,
h, in centimetres, of a piston moving up and down in an engine cylinder can be modelled by the
function  , where t is the time, in seconds.
|
|
|
12.
|
What is the piston’s minimum height?
A. | 14 cm | C. | 0 cm | B. | –14 cm | D. | 7 cm |
|
|
|
13.
|
Solve  , to the nearest tenth of a degree, if necessary, on the
interval  .
A. | x = 53.1°, x = 126.9° | C. | x = 36.9°, x =
323.1° | B. | x = 126.9°, x = 233.1° | D. | x = 53.1°, x = 306.9° |
|
|
|
14.
|
What is an equivalent expression for  ?
|
|
|
15.
|
Express  in terms of cosine and sine only, and simplify.
A. | 0 | C. | 1 | B. |  | D. |  |
|
|
|
16.
|
Simplify  . Round your answer to the nearest hundredth.
A. | 0.47 | C. | –0.75 | B. | –1.15 | D. | 0.42 |
|
|
|
17.
|
Which expression is equivalent to  ?
|
|
|
18.
|
What is the solution to the equation  over the domain  ?
|
|
|
19.
|
What is the general solution, in degress, to the equation  ?
|
|
|
20.
|
What is the general solution, in radians, to the equation  ?
A. | , where  | C. | no solution | B. | , where  | D. | , where  |
|
Short Answer
|
|
|
1.
|
Given a circle of diameter 21 cm, determine the arc length
subtended by a central angle of 1.2 radians.
|
|
|
2.
|
Angles A and B are located in the first quadrant. If and , determine the exact value of sec A + sec B.
|
|
|
3.
|
A grandfather clock shows a time of 7 o’clock. What is the exact radian
measure of the angle between the hour hand and the minute hand?
|
|
|
4.
|
Sketch the graph of  for two cycles and state the domain, range, period, and
equations of the asymptotes. x is measured in radians.
|
|
|
5.
|
Find the exact value of  .
|
Problem
|
|
|
1.
|
A bicycle tire revolves at 150 rpm (revolutions per minute). What is its angular
velocity, in radians per second, rounded to two decimal places?
|
|
|
2.
|
Sketch the graph of  for  .
|
|
|
3.
|
Prove the identity  .
|