1. Sketch using the same set of axes: for 2 x 2 . What can you observe? 2. Sketch the graph of the

1. Sketch using the same set of axes:

for −2π ≤ x ≤ 2π . What can you observe?

2. Sketch the graph of the function

for −2π ≤ x ≤ 2π .
3. Sketch the graph of the function

for −2π ≤ x ≤ 2π . What is the period of the function?
4. Sketch the graph of the function

for 0 ≤ x ≤ 2π . What is the period of the function?

5. Using the identity

where C and D are constants.

(a) y = 2sin.x (b) y = sin x 1 (c) y = =sin.x 2