Trigonometric Ratios

Front

What is the ratio for Tangent?

Back

Opposite / Adjacent (Opp/Adj)

Front

What is the ratio for Cosine?

Back

Adjacent / Hypotenuse (Adj/Hyp)

Front

What is the ratio for Sine?

Back

Opposite / Hypotenuse (Opp/Hyp)

Front

Define Sine in a right triangle.

Back

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

Front

Define Cosine in a right triangle.

Back

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

Front

Define 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

What is the relationship between Sine, Cosine, and Tangent?

Back

Tangent = Sine / Cosine.

Front

What is the Pythagorean identity involving Sine and Cosine?

Back

sin²(θ) + cos²(θ) = 1.

Front

How do you find the Sine of an angle in a right triangle?

Back

Sine = Opposite side / Hypotenuse.

Front

How do you find the Cosine of an angle in a right triangle?

Back

Cosine = Adjacent side / Hypotenuse.