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MATH_115_Quiz_5_-_Trigonometry
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MATH 115 Quiz 5 - Trigonometry
MATH 115 Quiz 5 NAME___________________________ Professor: Dr. Izmirli
INSTRUCTIONS
The quiz is worth 100 points. There are five problems (each worth 20 points).
This quiz is open book and open notes. This means you may refer to your textbook, notes, and online classroom materials. You may take as much time as you wish, provided you turn in your quiz no later than the due date posted in our syllabus.
You must show all work in order to receive full credit. If you do not show your work, you may earn only partial or no credit at the discretion of the professor.
Emailed quizzes and exams will not be accepted (they crash my email system). Thank you for understanding.
If you have any questions, please feel free to email me at: *************@faculty.umuc.edu
Best of luck!
MULTIPLE CHOICE Select the best answer choice. Write your answer choices below:
(1)_____
(2)_____
(3)_____
(4)_____
(5)_____
1.The solution(s) of the equation
2. cos^2(x)*tan(x) = tan(x)
over the interval [0,2p] is (are)
(a) x=0
(b) x=0,p
(c) x=0,p/4,3p/4,p,5p/4
(d) x=0,p/4,3p/4,p,5p/4,7p/4
(e) None of the above.
2.If in a triangle QSR, we have q=15, r=28, and Q=43°, then s is
(a) 22.5
(b) 42
(c) 43
(d) 17.81
(e) None of the above.
3. If in a triangle RST we have r=3.5, s=4.7, and t=2.8, then T?
(a) 95.9°
(b) 47.8°
(c) 54°
(d) 36.3°
(e) 141.2°
4.Forces of 10 Newtons and 20 Newtons act on an object at right angles to each other. The magnitude of the resultant force is
(a) 15.36 Newtons
(b) 17.34 Newtons
(c) 19.45 Newtons
(d) 21.15 Newtons
(e) 22.36 Newtons
5.If u=<-2,1> and v=<3,2>, then -7u+3v is
(a) <23,-1>
(b) <13,3>
(c) <17,-11>
(d) <5,-1>
(e) <13,-3>
About the Solutions
Step-by-step solutions to five problems of MATH 115 Quiz 5. All equations are written in Microsoft Office 2013 Equation.
Question Files
MATH 115 Quiz 5.docx
Other Details about the Project/Assignment
Subjects
:
Mathematics -> Trigonometry
Topic
:
trigonometric equations, triangle solving, vector operations, applications on vectors
Level
:
College
Tags
:
MATH115, MATH 115, Quiz 5, UMUC, trigonometry
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Project Details
Question Files
MATH 115 Quiz 5.docx
Subjects
:
Mathematics -> Trigonometry
Topic
:
trigonometric equations, triangle solving, vector operations, applications on vectors
Level
:
College
Tags
:
MATH115, MATH 115, Quiz 5, UMUC, trigonometry
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