About Course

This course provides a solid and intuitive foundation in trigonometry, designed to prepare students for the demands of calculus. Based on the Stewart Calculus textbook’s diagnostic test and review material, the course features clear video lessons, step-by-step problem solutions, and helpful visuals to build strong trigonometric reasoning skills.

You’ll learn how to work with angles, trigonometric functions, identities, and equations — all essential tools for success in calculus and beyond. Whether you’re reviewing before entering a calculus course or strengthening your understanding of trigonometry, this course will help you build confidence and mastery.

Course Features:

  • Video walkthroughs of trigonometry problems from the Stewart diagnostic test

  • Clear explanations

  • Structured lessons that gradually increase in difficulty

  • Practice tips to develop fluency with identities, equations, and function graphs

Trigonometry is the gateway to understanding the wave-like nature of many calculus concepts. This course ensures you enter calculus with the skills and confidence you need to succeed.

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What Will You Learn?

  • Angles: degrees, radians, and how to convert between them
  • Unit circle and the definition of trigonometric functions
  • Evaluating trigonometric functions of special angles
  • Fundamental trigonometric identities (Pythagorean, reciprocal, cofunction, etc.)
  • Using identities to simplify expressions and solve equations
  • Trigonometric equations: solving basic and advanced forms

Course Content

CONVERSION

  • Converting from degrees to radians
    01:46
  • Converting from radians to degrees
    02:21

TRIGONOMETRY I

TRIGONOMETRIC PROOFS

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Student Ratings & Reviews

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I gained a lot of knowledge! Nice lessons.