113 - Trigonometry

Prerequisites: 
Advanced math competence -- algebra and suitable placement scores, or Math 112.
Frequency: 
Fall (I), Winter (II), Summer (SS)
Student Body: 

Math 113 is meant for those students who plan to take any calculus course needing trigonometry.

Credits: 
2. Students may not receive credit for both Math 113 and 114. (E)
Recent Texts: 
"Trigonometry" by J.D. Baley and G. Sarell, McGraw Hill, revised 3rd edition
Course Coordinator: 
Xianghong Gong
Background and Goals: 

This course covers the graphs, properties and geometric significance of trigonometric functions of a real variable. Other topics include trigonometric equations and identities, applications, trigonometric form of complex numbers and DeMoivre's theorem.

Alternatives: 
Math 112 and Math 113 are both covered by Math 114.
Subsequent Courses: 
After Math 112 and Math 113 a student can enroll in Math 171, Math 211 or Math 221.
Course Content: 
  • Degrees and radians.
  • Arc length and sector area.
  • Similar triangles.
  • Trig ratios and right triangles.
  • Special angles.
  • Right triangles and applications.
  • Standard position; quadrants.
  • Trig functions; fundamental identities.
  • Inverse trig functions.
  • Laws of sines and cosines.
  • Double- and half-angle identities.
  • Basic graphs and graphing.
  • Graphs of A sin x, A cos x, M sin Bt + N cos Bt
  • Trig equations
  • Vectors: sums, differences, and complements. Dot products.
  • Polar coordinates; complex numbers; nth roots.