1. in two or more complete sentences, describe why the range of y = sin(x) is -1 ≤ y ≤ 1. make sure to reference the unit circle in your description.

2. in two or more complete sentences describe why the range of y = cos(x) is -1 ≤ y ≤ 1. make sure to reference the unit circle in your description.

3. graph y = cosx for -(3pi)/2 ≤ x ≤ -pi/2.
what is the largest value in the range?
a. -1
b. 0
c. 1/2
d. 1

4. graph y = tanx for -pi/4 ≤ x ≤ pi/4.
what is the range?

5. the amplitude of y = -3sinx is

6. the range of f(x) = 5cosx is

7. print out the graph paper from the "let's review" section. sketch the graph of y = 2tanx for -pi/2 ≤ x ≤ pi/2 and turn it into your teacher. indicate the asymptotes, if any.

in the box below, describe similarities and differences between the graphs of y = 2tanx and y = tanx.