You'll learn how to use trigonometric functions, their inverses, and various identities to solve and check equations and inequalities, and to model and analyze problems involving periodic motion, sound, …

Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and unlocking the power of …

This topic covers: - Unit circle definition of trig functions - Trig identities - Graphs of sinusoidal & trigonometric functions - Inverse trig functions & solving trig equations - Modeling with trig functions - …

Knowing trig identities is one thing, but being able to prove them takes us to another level. In this unit, we'll prove various trigonometric identities and define inverse trigonometric functions, which allow us …

Review your trigonometric equation skills by solving a sequence of equations in increasing complexity.

What's the difference between a trigonometric equation and a trigonometric identity? A trigonometric equation is just that — an equation that uses trigonometric functions.

Let's extend trigonometric ratios sine, cosine, and tangent into functions that are defined for all real numbers. You might be surprised at how we can use the behavior of those functions to model real …

This unit focuses on mastering key trigonometric identities to simplify expressions and solve equations. You’ll develop strategies for manipulating and proving identities, then apply them to solve a variety of …

Practice Trigonometric ratios in right triangles Get 3 of 4 questions to level up!

Discover how to measure angles, distances, and heights using trigonometric ratios and the unit circle. Learn how to use sine, cosine, and tangent to solve real-world problems involving triangles and …