Trig Vocabulary

Which term refers to an angle whose vertex is at the center of a circle?

• Coterminal

• Central angle

• Cotangent

• Cosine

What is the relationship between the period of a function and the value of "b" in the equation?

Which term describes two angles that share the same initial and terminal sides, but may differ in how many times the angle rotates?

• Frequency

• Coterminal

• Cycle

• Central angle

What term is used to describe the number of occurrences of a repeating event per unit of time?

• Amplitude

• Cycle

• Cosecant

• Frequency

What is the amplitude of a trigonometric function defined as?

• One-half the difference between the maximum and minimum values of the function

• The distance between the maximum value of the function and the midline

• The period of the function

• The frequency of the function

Which trigonometric function is represented by the ratio of the adjacent side to the hypotenuse in a right triangle?

• Cosine

• Sine

• Tangent

• Secant

What are coterminal angles?

• Angles that share the same initial and terminal sides

• Angles that are supplementary

• Angles that are complementary

• Angles that have the same sine and cosine values

What is the "b" value of a function whose period is π?

• 2

• π

• 2π

• 1/2

What is the period of the sine function, y = sin x, as shown in the graph?

• π

• 2π

• 3π/2

• π/2

What term is used to describe the angle formed by the initial side and terminal side of an angle in standard position?

• Quadrantal angle

• Reference angle

• Radian

• Initial side