Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent

A Geometric Understanding of the Trigonometric Functions (and proof of tan𝜃 ≡ sin𝜃/cos𝜃)

Visualizing Trigonometry: Tangent Function

All 6 Trig Functions on the Unit Circle

Trig Visualized: One Diagram to Rule them All (six trig functions in one diagram)

Why are Tangent & Secant given their names?

Trigonometry - Basic Concept (3 of 8) 2. Definition of Tangent

Trigonometry For Beginners!

Sin Graph Grade 10 Trigonometric Graphs

Where do Sin, Cos and Tan Actually Come From - Origins of Trigonometry - Part 1

What Is a Tangent in Math?

Trigonometry Concepts - Don't Memorize! Visualize!

Why are Sine & Cosine given their names?

Sine Curve and the Unit Circle

Redefining the Trig Functions on the Unit Circle (1 of 2: The Basic Concept)

Tangent Wave | Tan Function | Trigonometry | Explanation on a Giant Wheel | Slope | Learnability

Tangent graph | Graphs of trig functions | Trigonometry | Khan Academy

Graphing Trigonometric Functions, Phase Shift, Period, Transformations, Tangent, Cosecant, Cosine

06 - Review of Essential Trigonometry (Sin, Cos, Tangent - Trig Identities & Functions)

Inverse trig functions: arctan | Trigonometry | Khan Academy