Select one:
a.
π
b. 0
c. 1
d. -1
e. Unde
fi
ned
Your answer is correct.
The correct answer is: 1
What is the exact value of the cot (-3
π
/4)?
Select one:
a. 1
b. 0
c. -1
d.
π
e. Unde
fi
ned
Your answer is correct.
The correct answer is: 1

3/30/19, 7)28 PM
Self-Quiz Unit 7
Page 3 of 4
Question
4
Correct
Mark 1.00 out of
1.00
Question
5
Incorrect
Mark 0.00 out of
1.00
⾢
Learning Journal Unit 7
Jump to...
Written Assignment 6
Solution
▶
A particular right triangle has an acute angle of
π
/6 radians,
and the side opposite this angle has measure 8. What is the
hypotenuse of this triangle?
Select one:
a. 24 /(sqrt(3))
b. 4
c. -4
d. 16
e. -16
Your answer is correct.
The correct answer is: 16
From the formula for sin (2t + t)
fi
nd sin 3t in terms of sin t.
Select one:
a. 3sin(t)cos(t)
b. 2sin(t) + sin
(t)
c. sin
(t) + 3sin (t)
d. 6sin (t) cos (t)
e. -4 sin
(t) + 3sin (t)
Your answer is incorrect.
The correct answer is: -4 sin
(t) + 3sin (t)
2
2
3
3

3/30/19, 7)28 PM
Self-Quiz Unit 7
Page 4 of 4

3/30/19, 7)28 PM
Self-Quiz Unit 8
Page 1 of 4
Home
▶
My courses
▶
MATH 1201 - AY2019-T3
▶
21 March - 27 March
▶
Self-Quiz Unit 8
Question
1
Correct
Mark 1.00 out of
1.00
Started on
Wednesday, 27 March 2019, 7:15 PM
State
Finished
Completed on
Wednesday, 27 March 2019, 7:18 PM
Time taken
2 mins 48 secs
Marks
3.00/5.00
Grade
6.00
out of 10.00 (
60
%)
What is the period of y = sin 3x?
Select one:
a.
π
b.
π
/3
c. 2
π
/3
d. 2
π
e. 0
Your answer is correct.
The correct answer is: 2
π
/3
MATH 1201 College Algebra - Term 3, 2018-2019

3/30/19, 7)28 PM
Self-Quiz Unit 8
Page 2 of 4
Question
2
Correct
Mark 1.00 out of
1.00
Question
3
Correct
Mark 1.00 out of
1.00
What is the amplitude of y = 4 sin (2x –
π
/4)?
Select one:
a. 0
b. 2
c.
π
d. 4
e.
π
/4
Your answer is correct.
The correct answer is: 4
In radian measure, what is arcsin (1/2)?
Select one:
a. 0
b.
π
/6
c.
π
/4
d.
π
/3
e.
π
/2
Your answer is correct.
The correct answer is:
π
/6

3/30/19, 7)28 PM
Self-Quiz Unit 8
Page 3 of 4
Question
4
Incorrect
Mark 0.00 out of
1.00
Question
5
Incorrect
Mark 0.00 out of
1.00
⾢
Learning Journal Unit 8
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MATH 1201 Course
Evaluation
▶
What is the point (3, 3sqrt(3)) in polar coordinates?
Select one:
a. (3, 0)
b. (6,
π
/3)
c. (6,
π
/6)
d. (3,
π
/3)
e. (3,
π
/6)
Your answer is incorrect.
The correct answer is: (6,
π
/3)
Use DeMoivre’s theorem to
fi
nd z
, if z is 1 + 1i. Express your
answer in complex form.
Select one:
a. 180 degrees
b. 16
c. -8
d. -16
e. None of these
Your answer is incorrect.
The correct answer is: None of these
4

3/30/19, 7)28 PM
Self-Quiz Unit 8
Page 4 of 4

3/30/19, 7)30 PM
Graded Quiz Unit 3
Page 1 of 6
Home
▶
My courses
▶
MATH 1201 - AY2019-T3
▶
14 February - 20 February
▶
Graded Quiz Unit 3
Question
1
Correct
Mark 1.00 out of
1.00
Started on
Wednesday, 20 February 2019, 12:30 PM
State
Finished
Completed on
Wednesday, 20 February 2019, 1:08 PM
Time taken
38 mins 16 secs
Marks
9.00/10.00
Grade
90.00
out of 100.00
The graph of f(x) = x
-6x
+ 4x +1 hits the x-axis how many
times?