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Trigonometry Word Problem? Basic

Use trigonometry to solve word problems.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Using the Law of Cosines with SSS (to find an angle? At grade

This lesson covers using the Law of Cosines to find an angle in a triangle.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Using the Law of Cosines with SAS (to find the third side? At grade

This lesson covers using the Law of Cosines to find the third side of a triangle.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Trigonometry: Solving trigonometric equations

You'll learn to solve certain trigonometric equations.

At the end ot the theorical explanation, you can practice or create 5 exercises to master this subject.

Solving trigonometric equations es un ...

The Law of Sines

"One method for solving for a missing length or angle of a triangle is by using the law of sines. The law of sines, unlike the law of cosines, uses proportions to solve for missing lengths. The ratio ...

The Law of Cosines

"One method for solving for a missing length or angle of a triangle is by using the law of cosines. The law of cosines, unlike the law of sines, is similar to the Pythagorean theorem, but it works for ...

Cosine Addition Formula

"The cosine addition formula calculates the cosine of an angle that is either the sum or difference of two other angles. It arises from the law of cosines and the distance formula. By using the cosine ...

Polar Coordinates Distance Formula

"In order to calculate the distance from two points in polar coordinates, we use the polar coordinates distance formula. In order to derive the polar coordinates distance formula, we use the law of co ...

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