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

Graphs of sin (x), cos (x), and tan (x) Learn Graph of y=sin (x) Intersection points of y=sin (x) and y=cos (x) Graph of y=tan (x)

Practice Right triangle trigonometry word problems 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 …

Brush up on your trigonometry skills as you measure and calculate the sides, angles, and ratios of every kind of triangle. By triangulating your understanding of the Pythagorean theorem, …

Basic trigonometric identities Learn Sine & cosine identities: symmetry Tangent identities: symmetry Sine & cosine identities: periodicity

Learn about the definition of the basic trigonometric functions (sin (x), cos (x), and tan (x)), and use advanced trigonometric functions for various purposes.

4 units · 36 skills Unit 1 Right triangles & trigonometry Unit 2 Trigonometric functions Unit 3 Non-right triangles & trigonometry Unit 4 Trigonometric equations and identities

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This unit prepares you for the fundamental geometry and trigonometry skills you'll need for the SAT Math test. Work through the entire lesson for a skill, or take the quiz to cover the whole …