Trigonometry Vocabulary

What is the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse?

• Sine

• Cosine

• Tangent

• Cotangent

What is the trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse?

• Sine

• Cosine

• Tangent

• Cosecant

The ratio of the length of the opposite side to the length of the adjacent side is called:

• Sine

• Cosine

• Tangent

• Cotangent

What is the side away from the angle that is identified, or being referenced in the question, called?

• Adjacent side

• Opposite side

• Hypotenuse

• Base

What is the side that touches the angle that is identified, or being referenced in the question, called?

• Hypotenuse

• Adjacent

• Opposite

• Tangent

What is the longest side and the side that is directly opposite the 90 degree right angle called?

• Adjacent

• Opposite

• Hypotenuse

• Base

Fill in the blank: Sin θ = ______ / Hypotenuse

• Opposite

• Adjacent

• Tangent

• Secant

Fill in the blank: Cos θ = Adjacent / ______

• Hypotenuse

• Opposite

• Angle

• Radius

Fill in the blank: Tan θ = Opposite / ______

• Adjacent

• Hypotenuse

• Base

• Height

What does the acronym 'SOH' stand for in trigonometry?

• A) Sine, Opposite, Hypotenuse

• B) Sine, Adjacent, Hypotenuse

• C) Sine, Opposite, Adjacent