Trig Ratio Basics

Front

What is the definition of a trigonometric ratio?

Back

A trigonometric ratio is a ratio of the lengths of two sides of a right triangle. The primary trigonometric ratios are sine, cosine, and tangent.

Front

What is the sine ratio?

Back

Front

What is the cosine ratio?

Back

Front

What is the tangent ratio?

Back

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

If the opposite side is 3 and the hypotenuse is 5, what is the sine ratio?

Back

Front

If the adjacent side is 4 and the hypotenuse is 5, what is the cosine ratio?

Back

Front

If the opposite side is 3 and the adjacent side is 4, what is the tangent ratio?

Back

Front

What is the Pythagorean theorem?

Back

Front

How do you find the length of the hypotenuse using the Pythagorean theorem?

Back