A couple more questions giving me problems in my homework, please be very explanatory!

1. Consider the circle given by . Determine the equation of the transformed function if the graph undergoes a horizontal stretch by a factor of 1/2, vertical stretch by a factor of 3, horizontal translation of 1 unit right and a vertical translation 4 units down.

2. Angle has a terminal arm in the third quadrant. If , find the values of the remaining five primary and reciprocal trigonometric ratios.

Thank you for all your help in advance!