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**Unformatted text preview: **12/12/2017 Print Tact PRINTABLE VERSION Test 4 You scored 81 out of 81 Question 1
Your answer is CORRECT. In right triangle ABC with mLC = 90°, mAB = 320 and AB measures 12 units. Find the length ofAC.
a) I 123in(32°) b) 12tan(32°) c) 6 d) sin(32°) e) 12005 (32°) 1) None of these. Question 2
Your answer is CORRECT. From a point 140 feet ﬁom the base of a monument, the angle of elevation to the top of the monument is 37°. How
tall is the monument? All answers are given in feet. a) tan-1 (140) b) 140 cos (37°)
c) 140 sm(37°)
d) - 140 tan(37°) 140
e) tan(37°) 1) None of the above Question 3 Loadin [MathJax]/extensions/MathMenu.js es/CW/U sers/Student/Grades/PrintTacthtm 1/5 12/12/2017 Print Tact FindtheareaofAXYZ ifZY=45°, z=7,and 9324. a) 4V?
b) 14¢?
c, M
4
d) 28¢?
e) ' N?
1) None ofthe above
Question4
Your answer is CORRECT. How rmny solutions does the following equation have over the interval [0, 2w)? 5 cos(a:) = —6 a) 4
b) 3
c) 1
a) - o
e) 2 1) None of the above Question 5
Your answer is CORRECT. Solve the following equation over the interval [0, 7r ). 1
Si11(2113) = — 5 71' Eur Loading [MathJax]/extensions/MathMenu.js es/CW/U sers/Student/Grades/PrintTacthtm 2/5 12/12/2017 Print Tact ”6-71 m_11_7r
b ‘12’ _ 12
_7_7r _11_vr
C) (I:— 6’ (U— 6
d) Nosoluuon
_L _5_7r _7_7’ _11_7‘
e) w‘ 12’ 9”— 12’ ”3- 12’ ‘73— 12 1) None of the above Question 6
Your answer is CORRECT. Givenvectors {o = (—4, —6) and 17: (—5, —2>, ﬁnd 217 — 517. a) (26,8) b) (—20, 35)
c) (—2, 17)
d) ' <17, -2>
e) (10, 26) 1) None of the above Question 7
Your answer is CORRECT. Find the rmgnitude of the vector 17 = 4; — 43.
a) 8
b) ' 4 \/§
c) 32
d) —32
e) 0
None of the above Question 8
es/CW/U sers/Student/Grades/PrintTacthtm 3/5 12/12/2017 Print Tact Your answer is CORRECT. Given vectors {2 = (—5, —1) and 17 = (5,1), ﬁnd the dot product 11-17.
a) \displaystyle -24—24 h) \displaystyle 1010 c) - \displaystyle -26—26 d) \displaystyle -52—52 e) \displaystyle 2424 1) None of the above Question 9
Your answer is CORRECT. Given \bigtriangleup ABCAABC with \angle A=6OA\cicmA = 60°, \angle B=45/‘\circzB = 45°, and BC=44
BC 2 44 cm Find \displaystyle {\it AC} A C. (Hint: Draw a picture and use the Law of Sines.) a) 19361936 cm
. 88
b) \dlsplaystyle \frac {88} {3} g cm 44W
3 c) - \displaystyle \ﬁac {44\sqrt{6} } {3} cm d) 6666 cm
e) \displaystyle 22\sqrt{6}22\/6 cm.
1) None of the above Question 10
Your answer is CORRECT. This is a written question, worth 10 points. DO NOT place the problem code on the answer sheet. A
proctor will ﬁll this out after exam submission. Show all steps/work on your answer sheet for full credit.
Problem Code: 1042 Solve the following equation over the interval [ 0, 21t\big)): 25in(x)—3=-22.sin(w) — 3 = —2 Loading [MathJax]/extensions/MathMenu.js
P: V‘ ' I ' . I v". wer on my answer sheet. es/CW/U sers/Student/Grades/PrintTaethtm 4/5 12/12/2017 Print Tact b) I want to have points deducted ﬁom my test for not working this problem Question 11
Your answer is CORRECT. This is a written question, worth 10 points. DO NOT place the problem code on the answer sheet. A
proctor will ﬁll this out after exam submission. Show all steps/work on your answer sheet for full credit.
Problem Code: 1 142 Given \bigtliangleup ABCAABC with \displaystyle {\it AB} =7AB : 7 and AC=4AC = 4. The measure of
\ang1e\,Az A is 120"\circl20°. Find the length of BC BC . (Hint: Draw a picture and use the Law of Cosines.) a) I I have placed my work and my answer on my answer sheet. b) I want to have points deducted from my test for not working this problem Loading [MathJax]/extensions/MathMenu.js es/CW/U sers/Student/Grades/PrintTeethtm 5/5 ...

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- Calculus