Thread: Urgent...Trig...help please!!!!

Problem 1
If tan (theta) = 4, find
a. tan (- theta)
b. tan (theta + pi)
c. tan (pi - theta)
d. cot (pi/2 - theta)

Problem 2
The terminal ray for the angle theta is in the second quadrant. Which quadrants are the following rays in?
a. neg theta
b. theta + pi
c. pi - theta
d. pi/2 - theta

Problem 3
The terminal ray for the angle theta is in the third quadrant. Which quadrants are the following rays in:
a. neg. theta
b. theta + pi
c. pi - theta
d. pi/2 - theta

Please explain!!!

Please help!!! I have no idea where to start. This is homework due tomorrow and I am scheduled to meet a tutor tomorrow so I can learn this stuff.

Hi