Graph Trig Equations

Which equation is represented by the graph?

What is the equation of the graph shown?

• y = -sinθ -1

• y = -sinθ/2 -1

• y = -2sin2θ + 1

• y = sinθ/2 + 1

What is the period of the equation shown?

• 2π

• 4π

• π / 2

• π

Describe the horizontal shift.

• left π / 2

• left 2π

• right 2π

• right π / 2

Describe the horizontal shift.

• left 3π / 4

• left 4π / 3

• right 3π

• right 3π / 4

What is the equation of the graph shown?

• y = 2sin(θ + π/2) + 2

• y = 2cos(θ - π/2) + 2

• y = 2sin(θ - π/2) + 2

• y = 2cos(θ + π/2) + 2

What is the equation of the graph shown?

• y = 3sin(θ + π/4) - 1

• y = 3cos(θ - π/4) -1

• y = 3sin(θ - π/4) + 1

• y = 3cos(θ + π/4) + 1

What is the equation of the graph shown?

• y = 4cosθ/2 - 6

• y = 4cosθ/2 - 2

• y = -2cosθ/4 - 2

• y = 4cosθ/4 + 2

The __________ represents the distance above or below the midline of a sine or cosine graph; we always take the absolute value of this height. 

• Period

• Frequency

• Extreme Values

• Amplitude

The period of a sine or cosine graph can be found by ....

• It's always 2π

• 2π/B

• B(2π)

• 2π+B