Trigonometric Ratios

Front

What are the three primary trigonometric ratios?

Back

Sine (sin), Cosine (cos), Tangent (tan)

Front

What is the definition of Sine in a right triangle?

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the definition of Cosine in a right triangle?

Back

Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the definition of Tangent in a right triangle?

Back

Tangent is the ratio of the length of the opposite side to the length of the adjacent side.

Front

How do you calculate the length of a side using the tangent ratio?

Back

Use the formula: tan(angle) = opposite/adjacent, rearranging to find the unknown side.

Front

What is the formula to find the hypotenuse using sine?

Back

hypotenuse = opposite/sin(angle)