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Trig Final Review
Evaluate: log1000
Evaluate: ln(e)
Trig Final Review
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Answers
1
Evaluate: ln(e)
1
0
e
2
2
Evaluate: log1000
2
4
10
3
3
What is the name of an angle that is measured "from a horizontal UP"?
angle of height
angle of elevation
right angle
angle of depression
4
What is the LCD (least common divisor) of \frac{3}{x} and \frac{5}{x+1}?
x
(x + 1)
none of these
(x)(x + 1)
5
What is the tan(45\degree)?
\frac{1}{2}
\frac{\sqrt{3}}{2}
1
\sqrt{2}
6
What phrase was spoken the most in class this year?
Oh my!
Oh gosh!
Oh golly!
Oh my stars!
7
Evaluate: log
3
27
4
2
3
6
8
Factor: 3x
2
+ 5x - 12
(3x + 4)(x + 3)
(3x + 4)(x - 3)
(3x - 4)(x - 3)
(3x - 4)(x + 3)
9
What is the LCD of \frac{5}{x}+x=42?
5x
42x
x
47x
10
A great acronym for the 3 trig functions is:
SAWCAHTOW
SAHCAHTOA
TANCOWCAT
SOHCAHTOA
11
Find: sin(30\degree)
\frac{\sqrt{2}}{2}
\frac{1}{2}
\sqrt{2}
\sqrt{3}
12
The logarithm of a quotient should be rewritten with subtraction.
True
False
13
Solve: x
2
- 36 = 0
x = 6
x = 6 and -6
x = -36
x = 36
14
You can optimize your learning by practicing a little bit during spaced-out intervals.
True
False
15
Evaluate: log
14
1
0
1
14
12
16
What is Trigonometry
study of the relationships between sides and angles in right triangles
A branch of mathematics dealing with rates of change
A branch of math where we study data
A branch of math where we study differential equations
17
What is the reference angle for the angle 420\degree?
45\degree
90\degree
30\degree
60\degree
18
What is the reciprocal of tangent?
cotangent
sine
cosecant
cosine
19
Exponential equations can be solved by rewriting each side with a common base and then setting the exponents equal.
True
False
20
Find the angle of elevation of the sun when a 40 foot tree casts a shadow that is 24 feet long?
Approximately 42 degrees
Approximately 59 degrees
Approximately 75 degrees
Approximately 25 degrees
