1. A right triangle has legs of length 5 and 7. Find the measures of the other two angles in this triangle (round your answers to the nearest tenth of a degree).
2. Given that sec = -3 and is in the second quadrant. Find the exact values of the other five trig. functions of .
3. Given that sin = 2/3 and is in the 2nd quadrant, find the exact values of sin(2) and cos(2).
4. Find the exact values between 0 and 2 that solves cos(2x)+csc2x=0