Graph each function using radians.

1.) y = 1/2 • sin (theta/2 + 3/4) - 2

2.) y = 1/2 • cos (3 theta + 5Pi/6) - 1

3.) y = 1/2 • tan (theta/3 + 2Pi/3) + 1

4.) y = 2 + 3tan2 theta

5.) y = 2 + 4sin (2 theta - Pi/4)