Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.

Popular Tutorials in Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.

    • What is the Sine Ratio?What is the Sine Ratio?

    What is the Sine Ratio?

    The sine ratio is a handy ratio when you're dealing with right triangles! In this tutorial, you'll learn what the sine ratio is and how to use it to find angle measurements in a right triangle.

    • What is the Tangent Ratio?What is the Tangent Ratio?

    What is the Tangent Ratio?

    There are several different ratios you can make from the sides of a right triangle. One of them is the tangent ratio. Watch this tutorial to add the tangent ratio to your right triangle tool box!

    • What is the Secant Ratio?What is the Secant Ratio?
    • How Do You Find the Sine of an Angle in a Right Triangle?How Do You Find the Sine of an Angle in a Right Triangle?

    How Do You Find the Sine of an Angle in a Right Triangle?

    A trigonometric ratio is a ratio between two sides of a right triangle. The sine ratio is just one of these ratios. In this tutorial, you'll see how to find the sine of a particular angle in a right triangle. Take a look!

    • How Do You Find the Cosine of an Angle in a Right Triangle?How Do You Find the Cosine of an Angle in a Right Triangle?

    How Do You Find the Cosine of an Angle in a Right Triangle?

    A trigonometric ratio is a ratio between two sides of a right triangle. The cosine ratio is just one of these ratios. In this tutorial, you'll see how to find the cosine of a particular angle in a right triangle. Take a look!

    • How Do You Find the Tangent of an Angle in a Right Triangle?How Do You Find the Tangent of an Angle in a Right Triangle?

    How Do You Find the Tangent of an Angle in a Right Triangle?

    A trigonometric ratio is a ratio between two sides of a right triangle. The tangent ratio is just one of these ratios. In this tutorial, you'll see how to find the tangent of a particular angle in a right triangle. Take a look!