Test Pre-Calculus Identify and Graph Sine and Cosine Functions

Sine or Cosine?

• y=sinx
• y=cosx

Sine or Cosine?

• y=sinx
• y=cosx

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

• It's always 2π
• 2π/B
• B(2π)
• 2π+B

Phase shift means ...

• An up or down movement
• A left or right movement
• Height of graph
• ...set Phasers to stun

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)
• y=6sin8(x-1)
• y=6sin1/4x
• y=6sinx

Which equation?

• y= -cos(2x)
• y= cos(2x)
• y= (1/2)cosx
• y= (-1/2)cosx

What is the equation of graph?

• y = 2 sin x

• y = 2 cos x

• y = 2 cos 2x

• y = 2 sin 2x

Which function represents the graph?

• f(x) = 3 sin x

• f(x) = 3 cos x

• f(x) = sin ( ⅓ x)

• f(x) = sin (3 x)

If the blue line is y= sin x

What is the equation of the green line?

• y = sin 2x

• y = 2 sin x

What is the equation of the red graph?