Identifying Sine and Cosine Points

Where does the graph of y=sinx begin its first cycle?

• (0,0)
• (1,0)
• (0,Pi)
• (1, Pi)

What is the period of either graph? 
(y = sin/cos x)

• Pi
• 2Pi
• Pi/2
• Pi/4 

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x 

What is the amplitude of the graph? 

• -2
• 1
• 2
• -4

What is the period of the graph? 

• 2Pi
• Pi
• Pi/2
• Pi/4 

Identify the beginning and ending points of y=3sin(x-Pi)+1

• (0, 0) and (2Pi, 0)
• (0,4) and (2Pi, 4)
• (Pi, 1) and (3Pi, 1)
• (Pi, 4) and (3Pi, 4)

y=2sin(2(x-pi))+1
In order, where does the first wave of the graph start, end, and reach its highest point?

• (0, 0), (2Pi, 0), (Pi/2, 2)  
• (0, 0), (Pi, 0), (Pi/4, 2)
• (Pi, 0), (3Pi, 0), (3Pi/2, 3)
• (Pi, 1), (2Pi, 1), (3Pi/4, 3)

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D