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  1. Trigonometry | Khan Academy

    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 …

  2. Graph of y=tan(x) (video) | Trigonometry | Khan Academy

    Sal draws the graph of the tangent function based on the unit circle definition of the function.

  3. Trigonometry | Algebra 2 | Math | Khan Academy

    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 …

  4. Graph of y=tan (x) (video) | Khan Academy

    Sal draws the graph of the tangent function based on the unit circle definition of the function.

  5. Trigonometric functions | Algebra (all content) - Khan Academy

    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 - …

  6. Graph sinusoidal functions (practice) | Khan Academy

    Given the formula of a sinusoidal function of the form a*f (bx)+d, draw its graph.

  7. Trigonometric functions | Trigonometry | Math | Khan Academy

    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 …

  8. The derivative & tangent line equations (video) | Khan Academy

    Discover how the derivative of a function reveals the slope of the tangent line at any point on the graph. We'll explore how to use this powerful tool to determine the equation of the tangent line, enhancing …

  9. Limits of trigonometric functions (video) | Khan Academy

    This video covers limits of trigonometric functions, focusing on sine, cosine, and tangent. It emphasizes that sine and cosine are continuous and defined for all real numbers, so their limits can be found …

  10. Graph of y=sin(x) (video) | Trigonometry | Khan Academy

    From the definition you can sketch the trig function such as sin, cos and tan. You can redefine the trig function using a non-unit circle by making use of properties of similarity.