Services
Discover
Homeschooling
Ask a Question
Log in
Sign up
Filters
Done
Question type:
Essay
Multiple Choice
Short Answer
True False
Matching
Topic
Mathematics
Study Set
A Graphical Approach to Precalculus with Limits
Quiz 8: The Unit Circle and Functions of Trigonometry
Path 4
Access For Free
Share
All types
Filters
Study Flashcards
Question 21
Short Answer
the formula
s
(
t
)
=
−
5
cos
3
π
t
s(t)=-5 \cos 3 \pi t
s
(
t
)
=
−
5
cos
3
π
t
gives the height (in inches) of a weight attached to a spring after
t
t
t
seconds. -Find the maximum height that the weight rises above the equilibrium position of
y
=
0
y=0
y
=
0
.
Question 22
Short Answer
the formula
s
(
t
)
=
−
5
cos
3
π
t
s(t)=-5 \cos 3 \pi t
s
(
t
)
=
−
5
cos
3
π
t
gives the height (in inches) of a weight attached to a spring after
t
t
t
seconds. -When does the weight reach its maximum height if
t
≥
0
t \geq 0
t
≥
0
?
Question 23
Short Answer
(a) Convert
31
5
∘
315^{\circ}
31
5
∘
to radians. (b) Convert
11
π
12
\frac{11 \pi}{12}
12
11
π
to degrees.
Question 24
Short Answer
A wheel is turning at a speed of 100 revolutions per minute. Through how many degrees does a point on the edge of the wheel move in 1.05 second?
Question 25
Short Answer
Find the angle of smallest positive measure coterminal with
−
63
4
∘
-634^{\circ}
−
63
4
∘
.
Question 26
Short Answer
A central angle of a circle with radius 45 centimeters cuts off an arc of 165 centimeters. Find each measure. (a) The radian measure of the angle. (b) The area of the sector with this central angle.