BLC 190
Name:
Homework 4
1. Use the unit circle to evaluate the following trigonometric functions. Give exact answers.
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3
3
(a) cos
(d) sin
4
2
(b) tan
(c) sin
!
!
7
6
"
11
3
"
(e) csc
!
11
6
"
(f) cos
!
13
6
"
3
2. If sin =
, what are the possible

BLC 190
Name:
Homework 2
1. Suppose that f (x) = x3 and g(x) =
your answers as much as possible:
(a)
f (a + h) f (a)
h
(b)
g(a + h) g(a)
h
1
. Evaluate each of the following, simplifying
x+3
2. Sketch the graph of y = (x + 1)3 2
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BLC 190
Name:
Homework 3
1. Convert 192 to radians. Give your answer as a fraction involving .
2. Convert
5
radians to degrees.
12
3. In the following circle, r is the radius of the circle, is the indicated angle, and L is the
length of the corresponding