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Trigonometry Essentials

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What are some common trigonometry formulas?

Some common trigonometry formulas include the sine, cosine, and tangent formulas, as well as the Pythagorean theorem.

What is the Pythagorean theorem?

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

How are sine, cosine, and tangent related?

Sine, cosine, and tangent are trigonometric functions that are defined based on the ratios of the sides of a right triangle. Sine is the ratio of the length of the side opposite the angle to the hypotenuse, cosine is the ratio of the length of the adjacent side to the hypotenuse, and tangent is the ratio of the length of the side opposite the angle to the length of the adjacent side.