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Stitz and Zeager - College Trigonometry 3/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 3 / 16

Due : Sunday, January 27, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6
1/1 2/4 –/2 –/1 –/2 –/6
Total
3/16 (18.8%)

  • Instructions

    College Trigonometry 3/e by Carl Stitz and Jeff Zeager, is an open source text freely available online. Many questions are multi-part to demonstrate individual mathematical concepts needed to solve the problems.

    A series of videos, some created by Carl Stitz and some by the Brightstorm organization, can be accessed via the Watching link for additional instruction within some of the questions.

    Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and allows you to try another version of the same question for practice wherever the problem has randomized values.

    The videos will ask you to create a login to the free resource, Brightstorm, part way through the video. The Brightstorm videos have been specifically chosen to support the concepts being presented in each linked question.

Assignment Submission

For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer.

Assignment Scoring

Your last submission is used for your score.

1. 1/1 points  |  Previous Answers StitzTrig3 1.1.008. My Notes
Question Part
Points
Submissions Used
1
1/1
1/50
Total
1/1
 
Convert the angle to decimal degrees. Round your answer to three decimal places.
223° 37' 52''
Correct: Your answer is correct. °
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2. 2/4 points  |  Previous Answers StitzTrig3 1.1.014. My Notes
Question Part
Points
Submissions Used
1 2 3 4
0/1 –/1 1/1 1/1
1/50 0/50 1/50 1/50
Total
2/4
 
Graph the oriented angle in standard position.
5π
3


Incorrect: Your answer is incorrect.

Classify the angle according to where its terminal side lies.
    

Give two coterminal angles, one positive and one negative.
11π3​
Correct: Your answer is correct. 		(positive angle)
−π3​
Correct: Your answer is correct. 		(negative angle)
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3. –/2 points StitzTrig3 1.2.015. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
Find the exact value of the cosine and sine of the following angle.
θ = − 
7π
2
cos
− 
7π
2
 = 
sin
− 
7π
2
 = 
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4. –/1 points StitzTrig3 1.2.045. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Solve the equation for t. (Use the parameter k as necessary to represent any integer. Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
sin(t) = −7
t =
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5. –/2 points StitzTrig3 1.3.081. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
A guy wire 1500 feet long is attached to the top of a tower. When pulled taut it makes a 39° angle with the ground. (Round your answers to the nearest foot.)
(a) How tall is the tower?
ft

(b) How far away from the base of the tower does the wire hit the ground?
ft
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6. –/6 points StitzTrig3 1.4.051. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6
–/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50
Total
–/6
 
Use the given information about θ to find the exact values of the following.
tan(θ) = 
12
5
 where π < θ < 
3π
2
sin(2θ) = 
sin
θ
2
 = 
cos(2θ) = 
cos
θ
2
 = 
tan(2θ) = 
tan
θ
2
 = 
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