Trigonometric Ratios

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the side opposite the right angle.

Front

What is the sine ratio?

Back

Front

What is the cosine ratio?

Back

Front

What is the tangent ratio?

Back

Front

If sin(X) = 15/17, what is the opposite side if the hypotenuse is 17?

Back

The opposite side is 15.

Front

If cos(33) = x/14, what is x when cos(33) is calculated?

Back

x = 14 * cos(33).

Front

What is the relationship between sine and cosine?

Back

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

Front

What is the Pythagorean theorem?

Back

Front

How do you find the length of a side using trigonometric ratios?

Back

Use the appropriate ratio (sine, cosine, or tangent) based on the known sides and angles.

Front

What is the value of sin(90°)?

Back

sin(90°) = 1.