February 03, 2011
Test Review Outline: Chapter 4
Section 4.1
1. Convert
radians to degrees.
2. Convert degrees 78° to radians.
Section 4.2
1. Evaluate trig functions for a given right ∆.
sin θ =
csc θ =
cos θ =
sec θ =
tan θ =
cot θ =
2. Find the exact value of sec θ, if tan θ =
and sin θ < 0.
3. Solve for x.
x
12
41°
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February 03, 2011
Section 4.3
Use the unit circle and reference triangles to find
the exact value of each.
1. cos π =
2. tan 1.5π =
(1, 0)
3. sec 225° =
4. sin 11π =
6
5. cot -210° =
6. csc
5π
=
3
Section 4.4
1. Write an function in the form f(x) = a sin bx
for the graph below.
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February 03, 2011
2. Give the amplitude, domain, range, period,
and phase shift for the graph of
Section 4.5
Solve sec x = −2.3 graphically if 0 ≤ x ≤ 2π.
Section 4.6
Find values for a and h so that
f (x) = 2 sin x − 4 cos x is approximated
by the graph of g (x) = a sin (x − h).
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February 03, 2011
Section 4.7
1. Know the domain and range for each of
the inverse trig functions.
2. Find the exact value for each.
3. Find an algebraic expression, not involving a
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February 03, 2011
Section 4.8
5