Trig Ratios

Front

What is 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

Define sine (sin) in terms of a right triangle.

Back

Front

Define cosine (cos) in terms of a right triangle.

Back

Front

Define tangent (tan) in terms of a right triangle.

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 7 and the hypotenuse is 12, what is sin(θ)?

Back

Front

If the adjacent side is 9 and the hypotenuse is 12, what is cos(θ)?

Back

Front

If the opposite side is 12 and the adjacent side is 9, what is tan(θ)?

Back

Front

What is the Pythagorean theorem?

Back

Front

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

Back