Sine and Cosine with Radians

• y = sin x
• y = - sin x
• y = cos x
• y = - cos x

What is the domain and range of y=sinx?

• (-∞, ∞)
  R: [-1, 1]
  

• (-∞, ∞)
  R: [-π, π]

• (∞, -∞)
  R: [-1, 1]
  

• (-∞, ∞)
  R: [-∞, ∞]
  

Sine or Cosine?

• y=sinx

• y=cosx

The vertical stretch of the graph; distance between the midline and the max/min.

• Period

• Cycle

• Axis of Oscillation

• Amplitude

What is the equation of graph? 

• y = sin 5x

• y =  cos 5x

• y = 5 sin x

• y = 5 cos x 

Which equation?

• y= -cos(2x)

• y= cos(2x)

• y= (1/2)cosx

• y= (-1/2)cosx

What is 90° in radians?

• 1/2

• π/2

• 2/3

• 2π/3

What is the measure of the angle shown, in radians?

• π/2

• 3π/4

• 2π/5

• 3π/5

What is the measure of the angle shown, in radians?

• 3π/4

• π/2

• π

• 2π/3

The sine of any angle on the unit circle is the y-coordinate.

• True

• False