Trig Ratios

Front

What is the sine ratio?

Back

Front

What is the cosine ratio?

Back

Front

What is the tangent ratio?

Back

Front

Identify the hypotenuse in a right triangle.

Back

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

Front

Back

Front

What is the relationship between sine and cosine?

Back

Sine and cosine are complementary functions: sin(θ) = cos(90° - θ).

Front

What is the Pythagorean theorem?

Back

Front

How do you find the opposite side in a right triangle?

Back

The opposite side can be found using the sine ratio: opposite = hypotenuse * sin(θ).

Front

How do you find the adjacent side in a right triangle?

Back

The adjacent side can be found using the cosine ratio: adjacent = hypotenuse * cos(θ).

Front

What is the value of sin 30°?

Back