Trigonometric Functions


More Specific Topics in Trigonometric Functions


Popular Tutorials in Trigonometric Functions

    • 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 Secant Ratio?What is the Secant Ratio?
    • What is an Angle in Standard Position?What is an Angle in Standard Position?

    What is an Angle in Standard Position?

    Understanding how angles are made in the coordinate plane is a big step towards understanding trigonometry. This tutorial shows you how an angle can be made in the coordinate plane!

    • What is the Law of Sines?What is the Law of Sines?

    What is the Law of Sines?

    Want to find a missing side or angle measurement of a triangle? The Law of Sines can help! Follow along to learn about this handy proportion.

    • What is the Formula for the Area of a Triangle Using Sines?What is the Formula for the Area of a Triangle Using Sines?

    What is the Formula for the Area of a Triangle Using Sines?

    You can use sine to help you find the area of a triangle! All you need is two sides and an angle measurement! This tutorial helps you find this formula.

    • What is the Law of Cosines?What is the Law of Cosines?
    • 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!

    • How Do You Find a Missing Side of a Right Triangle Using Sine?How Do You Find a Missing Side of a Right Triangle Using Sine?

    How Do You Find a Missing Side of a Right Triangle Using Sine?

    The sine ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the sine ratio to find that missing measurement!

    • How Do You Find a Missing Side of a Right Triangle Using Cosine?How Do You Find a Missing Side of a Right Triangle Using Cosine?

    How Do You Find a Missing Side of a Right Triangle Using Cosine?

    The cosine ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the cosine ratio to find that missing measurement!

    • How Do You Find a Missing Side of a Right Triangle Using Tangent?How Do You Find a Missing Side of a Right Triangle Using Tangent?

    How Do You Find a Missing Side of a Right Triangle Using Tangent?

    The tangent ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the tangent ratio to find that missing measurement!

    • What is a 45°-45°-90° Triangle?What is a 45°-45°-90° Triangle?

    What is a 45°-45°-90° Triangle?

    A 45-45-90 triangle is a special right triangle with some very special characteristics. If you have a 45-45-90 triangle, you can find a missing side length without using the Pythagorean theorem! Check out this tutorial to learn about 45-45-90 triangles!

    • What is a 30°-60°-90° Triangle?What is a 30°-60°-90° Triangle?

    What is a 30°-60°-90° Triangle?

    A 30-60-90 triangle is a special right triangle with some very special characteristics. If you have a 30-60-90 triangle, you can find a missing side length without using the Pythagorean theorem! Check out this tutorial to learn about 30-60-90 triangles!

    • What is a Sector and Central Angle?What is a Sector and Central Angle?

    What is a Sector and Central Angle?

    Just about everything in math has a name! Did you know that a fraction of the area of a circle is known as a sector? This tutorial introduces you to the term sector and gives you examples of sectors. Take a look!