Right Triangle Trigonometry REVIEW

Front

What is the ratio for Sine?

Back

Opposite Leg / Hypotenuse

Front

What is the ratio for Cosine?

Back

Adjacent Leg / Hypotenuse

Front

What is the ratio for Tangent?

Back

Opposite Leg / Adjacent Leg

Front

If the angle of elevation is 30°, what is the height of a 10 ft ladder leaning against a wall?

Back

5 ft

Front

What is the Pythagorean Theorem?

Back

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

Front

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

Back

Use the formula: Opposite = Hypotenuse * sin(θ).

Front

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

Back

Use the formula: Adjacent = Hypotenuse * cos(θ).

Front

What is the value of sin(90°)?

Back

1

Front

What is the value of cos(0°)?

Back

1

Front

If a right triangle has one angle of 45°, what are the ratios of the sides?

Back

The sides are in the ratio 1:1:√2.