For the angle 7π/4, draw and upload a representation of the angle on the unit circle in the coordinate plane. Place the angle in the correct quadrant. Label the reference angle and sides of the reference triangle, and identify the coordinates of the terminal point. Then, specify the exact values of the secant, cosecant and cotangent of the angle

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z