please help as I'm unaware how to solve

44. Evaluate this expression in radians: csc a. 45 b. C. 45. Identify the domain and range of this function: y = -cos 20. a. d: all real numbers; r: -1 sys 1 b. d: -2 s x $2; r: all real numbers C. d: all real numbers; r: -2 sys 2 d. d: -1 s x $ 1; r: all real numbers 46. Find the measure of x to the nearest tenth. a. 74.2" b. 69.6 C. 59.6" 48.4 47. Use either the Law of Sines or the Law of Cosines. In ADEF, m _F = 21', d =6 in., and f= 16 in. Find m a. 38.3 b. 19.6 C. 7.5 d. 26.7 48. ARST is a right triangle with m _s = 90'. RS = 30, cos R= 18; Find sin R. 8 17 8 15 17 d. 17 1549. Describe the phase shift and determine the value of "h" in the translation; y = sin (x + i). a. It units to the left; h = - b. 1 unit to the left, h = -1 C. It units to the right; h= d. 1 unit to the right; h = 3.x 50. The period of a periodic function is 6 s. How many cycles does it go through in 30 s? a. 5 cycles b. cycle C. 180 cydes d. 3 cycles