Trig ratios

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

What is the ratio for Tangent?

Back

Opposite/Adjacent (Opp/Adj)

Front

Find tan(θ) if Opposite = 12 and Adjacent = 5.

Back

tan(θ) = 12/5

Front

Find cosA if Adjacent = 3 and Hypotenuse = 5.

Back

cosA = 3/5

Front

Find sin(θ) if Opposite = 4 and Hypotenuse = 5.

Back

sin(θ) = 4/5

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

If sin(θ) = 3/5, what is cos(θ)?

Back

cos(θ) = 4/5 (using Pythagorean identity).

Front

What is the relationship between sine and cosine?

Back

sin²(θ) + cos²(θ) = 1.

Front

Find the value of sin(30°).

Back

sin(30°) = 1/2.