Mathematics Describing the Real World: Precalculus and Trigonometry

Prepare your student or yourself for success with this course on precalculus and trigonometry by the author of one of the most widely used textbooks on the subject.

• By This Professor
• 01: An Introduction to Precalculus-Functions
• 02: Polynomial Functions and Zeros
• 03: Complex Numbers
• 04: Rational Functions
• 05: Inverse Functions
• 06: Solving Inequalities
• 07: Exponential Functions
• 08: Logarithmic Functions
• 09: Properties of Logarithms
• 10: Exponential and Logarithmic Equations
• 11: Exponential and Logarithmic Models
• 12: Introduction to Trigonometry and Angles
• 13: Trigonometric Functions-Right Triangle Definition
• 14: Trigonometric Functions-Arbitrary Angle Definition
• 15: Graphs of Sine and Cosine Functions
• 16: Graphs of Other Trigonometric Functions
• 17: Inverse Trigonometric Functions
• 18: Trigonometric Identities
• 19: Trigonometric Equations
• 20: Sum and Difference Formulas
• 21: Law of Sines
• 22: Law of Cosines
• 23: Introduction to Vectors
• 24: Trigonometric Form of a Complex Number
• 25: Systems of Linear Equations and Matrices
• 26: Operations with Matrices
• 27: Inverses and Determinants of Matrices
• 28: Applications of Linear Systems and Matrices
• 29: Circles and Parabolas
• 30: Ellipses and Hyperbolas
• 31: Parametric Equations
• 32: Polar Coordinates
• 33: Sequences and Series
• 34: Counting Principles
• 35: Elementary Probability
• 36: GPS Devices and Looking Forward to Calculus