Graphing Trig Equations

What is the equation of the graph?

• y = -2 cos x - 3
• y = 3 cos x - 2
• y = -7 cos x - 3
• y = -3 cos x - 4 

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

What is the amplitude and period of the function: y= 2/5sin9x

• Amplitude: 2/5 Period: 2π/9
• Amplitude: 2/5 Period: π/6
• Amplitude: 5/2 Period: 2π/9
• Amplitude: 5/2 Period: π/6

Determine the equation

• tan x
• cot x
• tan 2x
• cot 2x

Determine an equation for this graph:

• y=sec(x)
• y=2sec(x)
• y=2csc(x)
• y= csc(2x)

Determine an equation for this graph:

• y=csc(x)
• y=sec(x)
• y=cot(x)
• y= tan(x)

Write an equation for the cosine function with amplitude 3, period 2pi, phase shift of pi, and vertical shift of 5.

• y = 5cos(x - pi) + 3
• y = 3cos(x - pi) + 5
• y = 3cos(2x - pi) + 5
• y = 5cos(2x - pi) + 3

What is the vertical shift for y = 4cos(¹/₂x +π) - 2?

• up 2
• left 2
• right 2
• down 2

What is the period for y = 4cos(¹/₂x +π) - 2?

• pi/2
• pi
• 3pi
• 4pi

What is the amplitude for y = 4cos(¹/₂x +π) - 2?

• 2
• pi/2
• pi
• 4