REVIEWER 2 - PRECALCULUS

What does the amplitude of a trigonometric function represent?

• The vertical shift of the graph

• The horizontal shift of the graph

• The maximum absolute value of the function's output

• The number of cycles completed in one period

• 2

• 3

• -3

• π/4

• 4

• 3

• 2π/3

• 2π/4

• π/2 units to the left

• π/2 units to the right

• No phase shifts

• 2π units to the left

• [2, 8]

• [3, 8]

• [-2, 8]

• [3, 5]

• 30 feet

• 40 feet

• 10 feet

• 70 feet

Which of the following statements is true about trigonometric identities?

• They are true for specific values of the variables.

• They are true for all values of the variables within the domain.

• They have limitations in their validity.

• They are only true for integers.

• Identity

• Conditional equation

• Neither

• Both

Which of the following equations is an identity?

• Identity

• Conditional equation

• Neither

• Both