MATH 1316
Plane Trigonometry

Western Texas College

  1. Basic Course Information
    1. Course Description:  This course is an In-depth study and application of trigonometry including definitions, identities, inverse functions, solutions of equations, graphing, and solving triangles. Additional topics such as vectors, polar coordinates and parametric equations may be included.
    2. Any required prerequisites:  Students must make a C or better in Math 1314 (College Algebra) or have the appropriate entrance exam score.
    3. Online course content is administered through the college’s learning management system (LMS), Moodle, also called eCampus.  A link to eCampus can be found on and to Moodle (the big M with a graduation cap) on the college’s home page,
  2. Student Learning Outcomes
    1. Compute the values of trigonometric functions for key angles in all quadrants of the unit circle measured in both degrees and radians.
    2. Graph trigonometric functions and their transformations.
    3. Prove trigonometric identities.
    4. Solve trigonometric equations.
    5. Solve right and oblique triangles.
    6. Use the concepts of trigonometry to solve applications.
  3. Testing Requirements
    1. Online Students: The midterm and comprehensive final exam must be proctored by an approved testing organization.  (Ask you instructor for more details.)
    2. Students are NOT allowed to use their book or notes of any kind while taking their proctored tests or midterm, and exam.
    3. Students are allowed to use the formula sheet provided for the midterm and final exam.
    4. Students are allowed to use a calculator.  However, the TI-89, TI-Inspire with CAS or any other calculator with CAS capability are not permitted.
  4. Major Course Requirements
    1. Campus: There will be 4 major chapter tests. 
    2. Online: There will be a midterm.
    3. Major Requirement  – Comprehensive Final Exam
    4. Major requirements and quizzes are all timed.
    5. Campus: Tests 50% - Homework/Quizzes 15% - Lab 10% - Comprehensive Exam 25%
      Online:  Midterm 30% - Quizzes 20% - Homework 10% - Lab 10% - Comprehensive Exam 30%
    6. Final Grade:  A = 90 - 100,  B = 80- 89,  C = 70 -79,  D = 60 - 69,  F = 59 and below.
  5. Information on Books and Other Course Materials
    1. Required Book:  Trigonometry, 11th edition, by Lial, Hornsby, and Schneider.  Book ISBN: 9780134315133
      Book bundled with MyMathLab ISBN: 9780134306025
    2. Required Access Code:  Online students must purchase a MyMathLab Access Code.  This code can be purchased stand alone or bundled with the textbook.
    3. Calculators:  Students must have a calculator that provides them with the trig function keys.  A TI-84 or its equivalent is strongly recommended.
  6. Other Policies, Procedures and important dates.  Please refer to the WTC Catalog for the following:
    1. Campus Calendar
    2.  Final exam schedule
    3. How to drop a class.
    4. Withdrawal information
    5. Student Conduct/Academic Integrity
    6. Class Attendance
    7. Students with disabilities
  7. Course Content

Chapter 1

1.1     Angles
1.2     Angle Relationships and Similar Triangles
1.3     Trigonometric Functions
1.4     Using the Definitions of the Trigonometric Functions

Chapter 2

2.1     Trigonometric Functions of Acute Angles
2.2     Trigonometric Functions of Non-Acute Angles
2.3     Finding Trigonometric Function Values Using a Calculator
2.4     Solving Right Triangles
2.5     Further Applications of Right Triangles

Chapter 3

3.1     Radian Measure
3.2     Applications of Radian Measure
3.3     The Unit Circle and Circular Functions
3.4     Linear and Angular Speed

Chapter 4

4.1     Graphs of the Sine and Cosine Functions
4.2     Translations of the Graphs of the Sine and Cosine Functions
4.3     Graphs of Tangent and Cotangent Functions
4.4    Graphs of Secant and Cosecant Functions

Chapter 5

5.1     Fundamental Identities
5.2     Verifying Trigonometric Identities
5.3     Sum and Difference Identities for Cosine
5.4     Sum and Difference Identities for Sine and Tangent
5.5     Double-Angle Identities
5.6     Half-Angle Identities

Chapter 6

6.1     Inverse Circular Functions
6.2     Trigonometric Equations I
6.3     Trigonometric Equations II
6.4     Equations involving Inverse Trigonometric Functions

Chapter 7

7.1     Oblique Triangles and the Law of Sines
7.2     The Ambiguous Case of the Law of Sines
7.3     The Law of Cosines

*This schedule is subject to change at the discretion of the instructor.



Last Modified: August 21, 2017