precal daily attendance 5/21

Where does the graph of y=sin(x) begin its first cycle?

• (0,0)
• (1,0)
• (0,Pi)
• (1, Pi)

Where does the graph of cosine begin?

• (0,0)
• (0,1)
• (0, Pi)
• (1, Pi)

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

• Pi
• 2Pi
• Pi/2
• Pi/4 

Convert π radians to degrees.

• 90⁰
• 180⁰
• 360⁰
• 60⁰

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

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2