Precalculus Chapter 6 Test

What is the vertical shift for $y=4\cos\frac{1}{2}\left(x+\pi\right)-2$  ?

• up 2

• left 2

• right 2

• down 2

What is the period of this function?

What is the equation of the graph?

• y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x

• 12,000 and 8,000

• 20,000 and 4,000 

• 288,000 and 16,000

• 7,536 and 5,024

To find a missing angle when given two sides, you must use ______

• Trigonometric Functions

• Trigonometric Rations

• Inverse Trigonometric Functions

• Pythagorean Theorem

Set up an equation that could be used to solve for the variable.

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