# Review Sheet for Midterm Exam (Sections 4.1–4.8) Math 1060-5 Section 4.1

```Review Sheet for Midterm Exam (Sections 4.1–4.8)
Math 1060-5
Section 4.1
• Know how to convert between degrees and radians.
• Be able to sketch angles in standard position and determine in which quadrant the angle
lies.
• Be able to find coterminal angles.
• Be able to find complementary and supplementary angles for a given angle.
• Practice Problems: 4.1 #7, 13, 19, 21, 47, 51
Section 4.2
• Given a point on the unit circle, be able to find all six trigonometric functions of the
corresponding angle.
• Be able to find the point (x, y) on the unit circle that corresponds to common angles
(θ = 0, π/6, π/4, π/3, π/2, etc.)
• Know which trigonometric functions are odd and which are even, and be able to use
this to help evaluate trigonometric functions.
• Be able to use the period of trigonometric functions to help calculate trigonometric
functions.
• Know whether each trigonometric function is positive or negative in each quadrant.
• Practice Problems: 4.2 #1, 7, 23, 29, 37
Section 4.3
• Given a right triangle, be able to find all six trigonometric functions of an angle in the
triangle.
• Know the Pythagorean identities.
• Practice Problems: 4.3 #1, 9, 17, 27, 29, 33, 37
Section 4.4
• Know how to calculate reference angles, and use them to evaluate trigonometric functions.
• Given the value of one trigonometric function and a constraint, be able to calculate the
remaining trigonometric functions.
• Practice Problems: 4.4 #15, 19, 29, 41, 51, 53, 55
Section 4.5
• Know how to calculate the amplitude and period of sine and cosine functions.
• Be able to sketch the graph of sine and cosine functions, using the amplitude, period,
and translations.
• Practice Problems: 4.5 #35, 37, 51, 53, 55
Section 4.6
• Be able to sketch the graphs of tangent, cosecant, secant, and cotangent functions,
including information on the period and vertical asymptotes.
• Practice Problems: 4.6 #7, 11, 13, 19, 29
Section 4.7
• Know how to calculate inverse sine, inverse cosine, and inverse tangent functions, and
be aware of their domains and ranges.
• Be able to evaluate the composition of trigonometric and inverse trigonometric functions.
• Practice Problems: 4.7 #1, 5, 7, 43-57 odds
Section 4.8
• Know how to apply trigonometric functions (and right triangles) to word problems.
• Practice Problems: 4.8 #15, 17, 21, 27, 37
```
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